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Articles 2401 - 2430 of 2461
Full-Text Articles in Parasitology
Some Digenetic Trematodes From Deep-Water Fish Of Tortugas, Florida, Harold W. Manter
Some Digenetic Trematodes From Deep-Water Fish Of Tortugas, Florida, Harold W. Manter
Harold W. Manter Laboratory of Parasitology: Library Materials
Introduction (first two paragraphs)
The parasitic fauna of ocean depths is practically unknown. Although an extensive fish population occurs at all depths, very little study has yet been made on the helminths of these fish. During the summers of 1930, 1931, and 1932 excellent opportunity was offered for the collection of parasites from fish trawled from depths varying from 40 to 582 fathoms at Tortugas, Florida. A considerable number of systematic hauls by the staff and crew of the Tortugas Biological Laboratory of the Carnegie Institution of Washington yielded an abundance and considerable variety of fish, some of rare forms, …
Translation By Joseph Szanto Of Kotla'n, Sa'ndor And Pospech, La'szlo'. 1934. A Ha'zinyul Coccidiosisa'nak Ismerete'hez. Egyu'j Eimeria-Faj (Eimeria Piriformis Sp. N.) Ha'zinyulbo'l [= Coccidiosis Of Domestic Rabbit: A New Eimeria Species (Eimeria Piriformis Sp. N.)]. A'Llatorvosi Lapek 57(15): 215-217, Sandor Kotlan, Laszlo Pospech, Joseph Szanto
Translation By Joseph Szanto Of Kotla'n, Sa'ndor And Pospech, La'szlo'. 1934. A Ha'zinyul Coccidiosisa'nak Ismerete'hez. Egyu'j Eimeria-Faj (Eimeria Piriformis Sp. N.) Ha'zinyulbo'l [= Coccidiosis Of Domestic Rabbit: A New Eimeria Species (Eimeria Piriformis Sp. N.)]. A'Llatorvosi Lapek 57(15): 215-217, Sandor Kotlan, Laszlo Pospech, Joseph Szanto
Harold W. Manter Laboratory of Parasitology: Library Materials
Translation number 5, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, United States, January 19, 1961 (notated JS:d)
Translation by Joseph Szanto of Kotla'n, Sa'ndor and Pospech, La'szlo'. 1934. A ha'zinyul coccidiosisa'nak ismerete'hez. Egyu'j Eimeria-faj (Eimeria piriformis sp. n.) ha'zinyulbo'l [= Coccidiosis of domestic rabbit: A new Eimeria species (Eimeria piriformis sp. n.)]. A'llatorvosi Lapek 57(15): 215-217
Translation by Joseph Szanto of Kotlan, Sandor and Pospech, Laszlo. 1934. A hazinyul coccidiosisanak ismeretehez. Egyuj Eimeria-faj (Eimeria piriformis sp. n.) hazinyulbol [= Coccidiosis of domestic rabbit: A new Eimeria species (Eimeria piriformis sp. n.)]. Allatorvosi Lapek …
Worm Parasites Of The Brown Rat (Mus Norvegicus) In The Philippine Islands, With Special Reference To Those Forms That May Be Transmitted To Human Beings, Marcos A. Tubangui
Worm Parasites Of The Brown Rat (Mus Norvegicus) In The Philippine Islands, With Special Reference To Those Forms That May Be Transmitted To Human Beings, Marcos A. Tubangui
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
Besides the role that they play as carriers and reservoirs of bubonic plague and other bacterial as well as spirochretal infections, rats often harbor parasitic worms, some of which are also a menace to human health. In view of this and because of the fact that the helminthic fauna of rats has never been studied extensively in the Philippine Islands, it seemed desirable to undertake a systematic examination of these animals for the purpose of finding out if they are infested with parasites that are transmissible to man.
The examination of nine hundred fifty rats (Mus norvegicus) …
Hydracarina From Glacier National Park, Ruth Marshall
Hydracarina From Glacier National Park, Ruth Marshall
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Material for this study consisted of collections of water mites made by Dr. R. M. Muttkowski in Lake McDonald, Glacier National Park, Montana, during the months of July and August, 1925. The author wishes here to express her thanks to Dr. Muttkowski for the opportunity to examine this material and thus to add a little to our scanty knowledge of the Hydracarina of the Rocky Mountain region.
Nearly five hundred individuals were secured; these represented seven genera and ten species, one of which is new and one undetermined. About three fourths of the number were Pionas and Limnesias, each genus …
Translation By Joseph Szanto Of Kotlan, Sandor, Mocsy, Janos, And Vajda, Todor. 1929. A Juhok Coccidiosisa'nak Okozo'i Egy U'J Faj Kapcsa'n = [Coccidiosis Of Sheep In Connection With A New Species.] Allatorvosi Lapok 52(23): 304-306, Sandor Kotlan, Janos Mocsy, Todor Vajda, Joseph Szanto
Translation By Joseph Szanto Of Kotlan, Sandor, Mocsy, Janos, And Vajda, Todor. 1929. A Juhok Coccidiosisa'nak Okozo'i Egy U'J Faj Kapcsa'n = [Coccidiosis Of Sheep In Connection With A New Species.] Allatorvosi Lapok 52(23): 304-306, Sandor Kotlan, Janos Mocsy, Todor Vajda, Joseph Szanto
Harold W. Manter Laboratory of Parasitology: Library Materials
Translation number 4, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, United States
Translation by Joseph Szanto of Kotlan, Sandor, Mocsy, Janos, and Vajda, Todor. 1929. A juhok coccidiosisa'nak okozo'i egy u'j faj kapcsa'n = [Coccidiosis of sheep in connection with a new species.] Allatorvosi Lapok 52(23): 304-306
Translation from Hungarian to English by Joseph Szanto of University of Illinois, Urbana, Illinois, United States, July 7, 1960 (4 pages)
The Structure And Development Of Corallobothrium With Descriptions Of Two New Fish Tapeworms (With Five Plates), Hiram Eli Essex
The Structure And Development Of Corallobothrium With Descriptions Of Two New Fish Tapeworms (With Five Plates), Hiram Eli Essex
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Introduction
Representatives of the genus Corallobothrium from American fish have never been described. Marshall and Gilbert (1905) report two members of this genus taken from Ameiurus melas (black bullhead) caught in the lakes at Madison, Wisconsin. La Rue (1914) refers to an undescribed species of Corallobothrium encysted in the livers of A. melas and A. nebulosus (common bullhead) from the Illinois River. Ward (1918) noted the presence of a species of Corallobothrium in lctalurus punctatus (channel-cat) at Milford, Nebraska. Aside from these incidental references, the American literature contains no information on this interesting group of fish tapeworms.
The acquaintance of …
A Revision Of The Nematodes Of The Leidy Collection, Arthur C. Walton
A Revision Of The Nematodes Of The Leidy Collection, Arthur C. Walton
Harold W. Manter Laboratory of Parasitology: Library Materials
Through the courtesy of Dr. Henry Baldwin Ward of the University of Illinois, and of Dr. J. Percy Moore of the University of Pennsylvania, the extensive nematode collection assembled by the late Joseph Leidy, and now housed in the museum of the University of Pennsylvania, has been made available for critical study and the present report is the first of a series covering this material. The writer wishes to express his hearty appreciation of the kindness of these two men, and also of that of Dr. Joseph Leidy, Jr., in making this opportunity possible. To make the study more complete …
Studies On The Ascaris Lumbricoides, H. M. Martin
Studies On The Ascaris Lumbricoides, H. M. Martin
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The Ascaris lumbricoides, in one phase or another, has attracted the attention of parasitologists for many years, and during the last decade this parasite has been studied by a large number of investigators. The recent observations have been, to a great extent, directed along one line, the study of its life history. These investigators have established two important points: (a) That the life history of Ascaris is more complex than was supposed, as it has been found that a vasculo-pulmonary circuit of the larvae is necessary before they settle down in the intestine, where they develop to the adult …
The Tapeworms Of The Rhinoceroses, A Study Based On Material From The Belgian Congo, Horace W. Stunkard
The Tapeworms Of The Rhinoceroses, A Study Based On Material From The Belgian Congo, Horace W. Stunkard
Harold W. Manter Laboratory of Parasitology: Library Materials
During the course of my study on the parasitic worms collected by the Lang-Chapin expedition of the American Museum to the Belgian Congo, I have had the good fortune to examine abundant material of Plagiotaenia gigantea (Peters). This interesting species, the first reported from the rhinoceros, has been confused with other cestodes from rhinoceros hosts, has been assigned to no less than three different genera in addition to the genus Taenia, to which it was originally referred, and has been the source of much discussion and difference of opinion during the past seventy years. A review of the literature …
Some Marine Fish Trematodes Of Maine, Harold W. Manter
Some Marine Fish Trematodes Of Maine, Harold W. Manter
Harold W. Manter Laboratory of Parasitology: Library Materials
During the summer of 1924 a study of marine fish parasites was made at the Mount Desert Island (Maine, USA) Biological Laboratory. The present paper represents a preliminary report on the trematode group. Three new species of trematodes are described. Only brief consideration is here given to species already known. A later paper will deal more completely with these and related forms.
Includes brief descriptions of Podocotyle atomon (Rud. 1802), Podocotyle olssoni Odhner 1905, Stephanochasmus baccatus Nicoll 1907, Lepidapedon rachion (Cobb.) 1858, Lepidapedon elongatum (Lebour 1908), Homalometron pallidum Staff. 1904, Steganoderma formosum Staff. 1904, Otodistomum cestoides (van Ben. 1870), Hemiurus …
The Hemotoxins Of Intestinal Parasites: A Critical Summary With Notes Of Some Cases, Joseph Mellick Leidy Ii
The Hemotoxins Of Intestinal Parasites: A Critical Summary With Notes Of Some Cases, Joseph Mellick Leidy Ii
Harold W. Manter Laboratory of Parasitology: Library Materials
The mechanical and reflex disturbances produced by animal parasites in the intestinal canal and other organs of the body have long been recognized by pathologists and clinicians. The researches of economic parasitologists and the occasional reports by clinical observers indicate the presence of other factors deserving of further investigation. That certain parasitic worms secrete substances that effect the blood of their hosts deleteriously has been shown conclusively by the researches of Tallqvist, Schwartz, Schaumann and others. The broad tapeworm of man which is known to produce severe anaemia contains a hemolytic agent according to the experiments and researches of Schaumann …
Trematodes From The Rat, Horace Wesley Stunkard, Chilson B. Haviland
Trematodes From The Rat, Horace Wesley Stunkard, Chilson B. Haviland
Harold W. Manter Laboratory of Parasitology: Library Materials
Occasional examinations of rats for animal parasites have been carried on for over a hundred years. Later, knowledge of the importance of rats as reservoirs of infection and as agents in the transfer of parasitic diseases has led to the regular and careful examination of large numbers in various parts of the world. Among the more recent publications dealing with the parasites of rats may be mentioned Shipley (1908), Moll (1917), Chandler (1921), Balfour (1922), Baylis (1922), Stevenson (1922), Hegner (1923), and Lavier (1924). Notwithstanding the many investigations, only a single trematode parasite has previously been discovered and concerning it …
A Founder Of American Parasitology, Joseph Leidy, Henry Baldwin Ward
A Founder Of American Parasitology, Joseph Leidy, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
A biographical overview of American parasitologist Joseph Leidy and his work. bron September 9, 1823, Philadelphia, Pennsylvania, USA - died 1891.
Conclusion
A detailed study of his writing justifies the statement that no one has yet adequately presented or fully elucidated Leidy's contributions to helminthology and his writing will furnish rich lead to many future workers in this field. How monumental the task of preparing a record of the full life work of this extraordinary man who in the same breath as it were, in a single letter records discoveries of far reaching import on bacteria, amoebae, worms, and fossil …
Bulletin 106 - The Red-Legged Velvet Earth Mite, L. J. Newman
Bulletin 106 - The Red-Legged Velvet Earth Mite, L. J. Newman
Bulletins 1 - 2999
This pest is sometimes called in error the "Red Spider" or the 'Earth Flea."
It is neither a spider nor a flea, being a species of mite.
It belongs to the family of mites known as the Eupodidae and to the Genus Notophallus. Many of the members of this family are predaceous, that is, they live upon other insects or animals, but the species we are dealing with appears to be wholly a plant feeder. A popular idea is that the mite lives and breeds in the earth. The rapidity with which newly planted vegetables become infested gives good excuse …
A New Blood Fluke From Turtles, Henry Baldwin Ward
A New Blood Fluke From Turtles, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
For several years an interesting trematode has been under observation in the laboratory here. It occurs in various species of turtles, and was first discovered in some material shipped in from the south for class work. Peculiar importance attaches to the fact that it is a species inhabiting the circulatory system, and in fact it shows a relationship to the blood-inhabiting flukes of man which has become more clearly evident as the observations have accumulated. Since the material is easily obtained, it will afford perhaps the best opportunity available in this country for the laboratory study of forms adapted to …
Un Linguatulide Nouveau Parasite D’Un Batracien, Louis Gedoelst
Un Linguatulide Nouveau Parasite D’Un Batracien, Louis Gedoelst
Harold W. Manter Laboratory of Parasitology: Library Materials
Parmi des matériaux parasitqlogiques rec;us de l'Indian Museum de Calcutta et comprenant essentiellement des larves de dipteres, nous avons trouvé un objet d'un particulier intérêt, dont nous donnons la description ci-après.
Albert Francis Coutant [Obituary]
Albert Francis Coutant [Obituary]
Harold W. Manter Laboratory of Parasitology: Library Materials
Obituary of Albert Francis Coutant, parasitologist. Born Brooklyn, New York, USA, July 7, 1892 - Died April 18, 1919, Manila, Philippine Islands.
Bibliograpy
Coutant, Albert F. 1915. The habits, life history and structure of a blood-sucking muscid larva (Protocalliphora azurea). Journal of Parasitology 1: 135-150.
Coutant, Albert F. 1916. Chenopodium poisoning: Report of case. Journal of the American Medical Association 67: 1,599-1,600.
Coutant, Albert F. 1918. An epidemic of influenza at Manila, P. I. Journal of the American Medical Association 71: 1,566-1,567.
Notes On North American Myxosporidia, Henry Baldwin Ward
Notes On North American Myxosporidia, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
In this paper are published data on three new species of Myxosporidia. Two species were observed in Lake Erie as parasites of a minnow; the third came from a species of Pacific salmon. Both cases present some unusual features that seem worthy of record.
Included are descriptions of Myxobolus aureatus nov. spec., Henneguya brachyura nov. sp., and Henneguya salminicola nov. spec.
I am greatly indebted to my colleague, Dr. Rokusaburo Kudo, for valuable assistance given while I was working up the material. The beautiful sketch illustrating the species from Lake Erie was prepared by Mrs. H. S. Jennings, to whom …
On The Specific Identity Of Heronimus Chelydrae Maccallum And Aorchis Extensus Barker And Parsons, Horace Wesley Stunkard
On The Specific Identity Of Heronimus Chelydrae Maccallum And Aorchis Extensus Barker And Parsons, Horace Wesley Stunkard
Harold W. Manter Laboratory of Parasitology: Library Materials
The monostomes are among the least known of North American trematode groups. Records give descriptions of only six species, each the single representative of a genus, and according to the classification of Ward (1918) belonging to four different families. Existing descriptions in most cases are far from complete and data necessary for taxonomic determination are lacking. This deficiency has been pointed out by other workers, both in this country and in Europe, and the classification of the monostomes is not well established. In fact, certain investigators regard them as aberrant forms, sprung from different distome groups, which alike have lost …
Winthrop Davenport Foster [Obituary]
Winthrop Davenport Foster [Obituary]
Harold W. Manter Laboratory of Parasitology: Library Materials
December 28, 1880, Jersey City, New Jersey, USA - October 6, 1918, Washington, DC, USA. Cause of death: Pneumonia, as a complication of influenza.
Winthrop Davenport Foster's work in parasitology was done principally on the parasites of swine and along the lines of critical tests of the efficacy of anthelmintics, though he published a number of notes on other lines.
On A Species Of Hedruris Occurring Commonly In The Western Newt, Notophthalmus Torosus, Asa C. Chandler
On A Species Of Hedruris Occurring Commonly In The Western Newt, Notophthalmus Torosus, Asa C. Chandler
Harold W. Manter Laboratory of Parasitology: Library Materials
It has recently been pointed out by Ward and Magath (1916) that the nematode fauna of North American freshwater fishes is almost unknown. From a survey of the literature this state of affairs appears to be almost if not quite as true of the nematodes of other cold-blooded vertebrates in North America.
While making stomach examinations of the Western Newt or water-dog, Notophthalmus torosus, the writer found a large percent of specimens captured in the vicinity of Corvallis, Oregon, infested by a nematode which was evidently a species of Hedruris. The structure and ecology of this worm are …
On The Structure And Classification Of North American Parasitic Worms, Henry Baldwin Ward
On The Structure And Classification Of North American Parasitic Worms, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
For many years I have been engaged in the study of parasitic worms from North American freshwater hosts, mostly fish; during this time I have had opportunity to examine and compare material from a large number of localities embracing many widely separated points. In this work I have been aided very greatly by studies on individual groups undertaken and published under my direction by various graduate students to whom my obligation is freely expressed here. In connection with this work it has been necessary to examine critically all original records of parasites from similar hosts and to endeavor to reach …
Notes On Some Nematodes From Fresh-Water Fishes, Henry Baldwin Ward, Thomas B. Magath
Notes On Some Nematodes From Fresh-Water Fishes, Henry Baldwin Ward, Thomas B. Magath
Harold W. Manter Laboratory of Parasitology: Library Materials
The parasitic nematodes are of conspicuous importance in the field of human disease and also in diseases of the domestic animals, and in his treatise on fish diseases, Hofer (1906), discussing the significance in fish culture of parasites and parasitic disease5, states that among them the nematodes outrank all others in number of types. Yet as fish parasites these forms are almost unknown in North America, and references to them are confined to a few brief notes, almost all of which came from the pen of the distinguished Philadelphia microscopist, anatomist, and parasitologist, Joseph Leidy, whose pioneer work published between …
Notes On Two Free-Living Larval Trematodes From North America, Henry Baldwin Ward
Notes On Two Free-Living Larval Trematodes From North America, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
A description is given of the structure and activity of two new cercariae of peculiar type captured free in Lake Erie and Lake St. Clair. They are designated Cercaria anchoroides nov. spec. and C. gorgonocephala nov. spec., and are compared with known European species. Although such an occurrence must be common, these forms are the first to be taken in open fresh waters.
On The Anatomy And Relationships Of Some North American Trematodes, Horace Wesley Stunkard
On The Anatomy And Relationships Of Some North American Trematodes, Horace Wesley Stunkard
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
Extended study of North American representatives of the three trematode families, Polystomidae, Aspidogastridae, and Paramphistomidae has made possible the first comprehensive treatment in this country of their structure and classification. Four new species are added to the genus Polystoma and three new species of two new genera are added to the Paramphistomidae.
Gongylonema In The Role Of A Human Parasite, Henry Baldwin Ward
Gongylonema In The Role Of A Human Parasite, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
A specimen of Gongylonema, probably G. pulchrum, has been recovered from man. This species is normally a parasite of the pig.
Infection of the human host was brought about probably by the ingestion of larvae in the infective stage which had developed in some insect. Very likely the croton bug, known by experiment to be able to serve as intermediate host for this species, was the source of the infection which might readily occur by accident.
The presence of the parasite was accompanied by clinical symptoms indicating marked digestive and nervous disturbances, associated with anemia. These symptoms …
Notes On The Trematode Genus Telorchis With Descriptions Of A New Species, Horace Wesley Stunkard
Notes On The Trematode Genus Telorchis With Descriptions Of A New Species, Horace Wesley Stunkard
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
The study of abundant material, both adult and immature forms from the trematode genus Telorchis, including four species new to science and others from new hosts and localities, has given data for the first general discussion of the genus yet made. The sub-genera Telorchis and Cercorchis proposed by Lühe intergrade and can not be retained. T. augustus and T. leptus if correctly described should be removed to an independent genus. The new and some older species are discussed in detail.
Mallophaga From Apteryx, And Their Significance, With A Note On The Genus Rallicola, Launcelot Harrison
Mallophaga From Apteryx, And Their Significance, With A Note On The Genus Rallicola, Launcelot Harrison
Harold W. Manter Laboratory of Parasitology: Library Materials
Regards the skins of five species of Apteryx in the collection at the Cambridge University Museum in England. From these were collected three species of Mallophaga belonging to the genus Rallicola. These are described with discussion about the significance of this occurrence upon Apteryx, from which no Mallophaga have previously been recorded.
Otacariasis In The Bighorn, Henry Baldwin Ward
Otacariasis In The Bighorn, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
Summary
The ear of a mountain sheep at Estes Park, Colorado, USA, was found to be heavily infested with a Sarcoptid mite which was not the common scab mite of domesticated sheep but is new in this country.
This form is similar to a mite found in the ear of goats in the Pyrenees and in the Congo. Nevertheless there is reason to consider it a new species and it is named Psoroptes cervinae.
The complaint to which it gives rise is likely to be serious if its effects are like those of the related European form. The Bighorn …
The Habits, Life History, And Structure Of A Blood-Sucking Muscid Larva (Protocalliphora Azurea), Albert Francis Coutant
The Habits, Life History, And Structure Of A Blood-Sucking Muscid Larva (Protocalliphora Azurea), Albert Francis Coutant
Harold W. Manter Laboratory of Parasitology: Library Materials
While studying the blood parasites Halteridium and Proteosoma, and the Filaria of the common crow (Corvus americana), my attention was attracted by an external parasite of some young nestlings which were brought into the laboratory. Observations on this parasite, which proved to be the larva of Protocalliphora azurea (Fall.), form the basis of this paper. The parasite is the immature form of one of the so-called "blue-bottle" or flesh-flies, whose larvae are generally regarded as useful scavengers. More careful observations on the life-histories of many species, however, have shown that they may be, and often are, parasites …