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Articles 10021 - 10050 of 10538

Full-Text Articles in Animal Sciences

Whole Issue Nebraska Bird Review (January 1969) 37(1) Jan 1969

Whole Issue Nebraska Bird Review (January 1969) 37(1)

Nebraska Bird Review

Table of Contents

Barnacle Goose Taken in Nebraska.................... 2

Growth and Calculation of Age in the American Goldfinch.................... 3

1968 Fall Field Day ....................15

Albino Screech Owl ....................16


Systematic Status Of The Mastiff Bat, Eumops Perotis Renatae Pirlot, 1965, James D. Smith, Hugh H. Genoways Jan 1969

Systematic Status Of The Mastiff Bat, Eumops Perotis Renatae Pirlot, 1965, James D. Smith, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The mastiff bat, Eumops perotis renatae, described by Pirlot in 1966 and later elevated to specific status by the same author is herein regarded as junior synonym of Eumops perotis perotis (Schinz, 1821). Earlier reports of large Eumops from South America are reviewed in light of the present understanding of the relationship between Eumops perotis and E. trurnbulli.


Distribution Of The Porcupine, Erethizon Dorsatum, In Mexico, J. Knox Jones Jr., Hugh H. Genoways Dec 1968

Distribution Of The Porcupine, Erethizon Dorsatum, In Mexico, J. Knox Jones Jr., Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The first Recent record of the porcupine, Erethizon dorsatum, from Mexico comprised fragmentary remains associated with human occupancy from a cave east of Cuatro Cienegas, Coahuila (Gilmore, 1947: 158-159). Later, Benson (1953 : 511-512) reported two specimens from western Sonora from < the lower flood plain of the Rio Sonora, close to the Gulf of California >> (one from 6 miles N Puerto Kino and the other from Rancho Santa Ana, about 45 miles W Hermosillo), and Dickerman (1962: 108) recorded the species from Hda. Las Margaritas in northern Coahuila. No additional reports of Recent porcupines from Mexico have come to our attention, and four specimens of Erethizon dorsatum couesi Mearns, 1897, in the Museum …


Notes On Bats From The Mexican State Of Zacatecas, Hugh H. Genoways, J. Knox Jones Jr. Nov 1968

Notes On Bats From The Mexican State Of Zacatecas, Hugh H. Genoways, J. Knox Jones Jr.

University of Nebraska State Museum: Mammalogy Papers

Much of the Mexican state of Zacatecas lies in the area ascribed to the Mexican Plateau. Along the western border and in the southwest, however, the state encompasses a portion of the Sierra Madre Occidental, and perhaps more importantly, from a zoogeographic view, the Rio Juchipila, a major tributary of the Rio Grande de Santiago, drains the southern "panhandle." The valley of the Juchipila supports tropical vegetation as perhaps do the valleys of several other smaller tributaries of the Rio Grande that barely reach the southern part of the state. The setting of southern Zacatecas suggests, therefore, considerable faunal diversity.


Whole Issue Nebraska Bird Review (Oct 1968) 36(4) Oct 1968

Whole Issue Nebraska Bird Review (Oct 1968) 36(4)

Nebraska Bird Review

TABLE OF CONTENTS

1968 (Forty-third) Spring Migration and Occurrence Report ......................70

Three Apparently New Records for Nebraska ......................76

Book Reviews...................... 78

Notes ......................81

Index of Volume XXXVI ......................85


The Accumulation And Retention Of Radiophosphorous By Escherichia Coli, Douglas Gunnison Aug 1968

The Accumulation And Retention Of Radiophosphorous By Escherichia Coli, Douglas Gunnison

Masters Theses

No abstract provided.


Comparative Osteology Of Black-Capped And Carolina Chickadees, Sharon Olson Aug 1968

Comparative Osteology Of Black-Capped And Carolina Chickadees, Sharon Olson

Masters Theses

No abstract provided.


Whole Issue Nebraska Bird Review (July 1968) 36(3) Jul 1968

Whole Issue Nebraska Bird Review (July 1968) 36(3)

Nebraska Bird Review

TABLE OF CONTENTS

Avian Antagonistic Response to Potential Red-headed Woodpecker Predation .......................50

The Sixty-seventh Annual Meeting....................... 52

Additions to Lincoln County Checklist .......................54

Book Reviews....................... 57

1967 (Tenth) Fall Occurrence Report .......................58

Notes .......................67

Correction to 1967 Nebraska Nesting Survey .......................68

The "New" Cover .......................68


End Matter, Vol. 9 No. 4 Jun 1968

End Matter, Vol. 9 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Osteology And Myology Of Phrynosoma P. Platyrhinos Girard And Phrynosoma D. Hernandesi Girard, Richard L. Jenkins, Wilmer W. Tanner Jun 1968

Osteology And Myology Of Phrynosoma P. Platyrhinos Girard And Phrynosoma D. Hernandesi Girard, Richard L. Jenkins, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

This study confirms the work of Etheridge (1964) in suggesting the peculiarity of the genus Phrynosoma within the family Iguanidae. The anterior osteology and myology of Phrynosoma platyrhinos platyrhinos Girard and Phrynosoma douglassi hernandesi Girard indicate Phrynosoma to be highly specialized and to differ significantlv from the Iguanid structure as portrayed by Oelrich (1956), Robison and Tanner (1962), and Avery and Tanner (1964). They also differ because of: ( 1 ) absence of lacrimal and postfrontal bones; (2) occurrence of occipital (also mandibular and temporal) spines; (3) posterodorsal shift of the skull elements; (4) divided nature of the M. sternohyoideus, …


Front Matter, Vol. 10 No. 1 Jun 1968

Front Matter, Vol. 10 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 9 No. 4 Jun 1968

Front Matter, Vol. 9 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 10 No. 1 Jun 1968

End Matter, Vol. 10 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Ticks Of The National Reactor Testing Station, Dorald M. Allred Jun 1968

Ticks Of The National Reactor Testing Station, Dorald M. Allred

Brigham Young University Science Bulletin, Biological Series

During the period from June, 1966, to September, 1967, 27 amphibians of two species, 446 reptiles of eight species, 561 birds of 81 species, and 4050 mammals of 26 species were examined for ectoparasites at the National Reactor Testing Station in southern Idaho. Of seven species of ticks collected, the predominant one was Ixodes kingi, found on mammals of 12 species. Next in abundance was Dermacentor andersoni found on birds of three species and mammals of 16 species. Haemaphysalis leporispalustris was taken from birds of 10 species and six spvecies of mammals. Four other species of Ixodes were taken from …


The Asexual And Sexual Stages Of Eimeria Auburnensis In Calves, Bill Chobotar May 1968

The Asexual And Sexual Stages Of Eimeria Auburnensis In Calves, Bill Chobotar

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

In a study of the life cycle of Eimeria auburnensis, 51 of 57 Holstein-Friesian calves were used to study endogenous stages, and the remainder to investigate the prepatent and patent periods. In vitro excysted sporozoites of E. auburnensis were introduced into intestinal fistulas in 8 calves and into the intestine via laparotomy in 2 others. One or more of the 51 calves were killed at daily intervals beginning on the second day and continuing until the 19th day after inoculation. The tissues from calves were prepared by routine histological techniques for nicroscopic examination. First-generation asexual endogenous stages were located …


Comparisons Of Phytoseiid Predator Populations In Sprayed And Unsprayed Apple Orchards In Cache Valley, Utah, Yeboa A. Dodoo May 1968

Comparisons Of Phytoseiid Predator Populations In Sprayed And Unsprayed Apple Orchards In Cache Valley, Utah, Yeboa A. Dodoo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A comparative study of phytoseiid populations was made of two well-cultivated and regularly sprayed apple orchards with two unsprayed orchards in Cache Valley, northern Utah.

Two phytoseiid species, Typhlodromus mcgregori Chant and T. occidentalis Nesbitt were observed on the apple leaves, under the bark, and occasionally in the litter and soil. Amblyseius cucumeris (Oudemans) occurred in the soil and litter and occasionally under bark. T. mcgregori was dominant in the unsprayed orchards, and T. occidentalis in the sprayed.

Of the phytophagous mites, which served as food for the phytoseiids, the two-spotted mite, Tetranychus urticae Koch was dominant. Other phytophagous mites …


A Description Of The Planarian Phagocata Crenophila, New Species, From Utah, Jerry H. Carpenter May 1968

A Description Of The Planarian Phagocata Crenophila, New Species, From Utah, Jerry H. Carpenter

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A new species of planaria in the genus Phagocata was found in several springs and spring-fed streams in Logan Canyon, Cache County, Utah. This species was named Phagocata crenophila because it greatly prefers to live in springs and it seems to be adapted behaviorally to this type of habitat. Serial sections and whole mounts were made by standard methods in order to study the anatomical features which are necessary for identification of planarians. The distinguishing features of this species are the following: testes ventral and extending from near the brain to near the posterior end, ejaculatory duct opening ventrally from …


Whole Issue Nebraska Bird Review (April 1968) 36(2) Apr 1968

Whole Issue Nebraska Bird Review (April 1968) 36(2)

Nebraska Bird Review

TABLE OF CONTENTS

Growth of Nestling Goldfinches Compared to Adult Size and Differential Development Rate of Structures in Relation to their Function ......................22

Winter Meeting......................32

A Golden Eagle Nest in'the Pine Ridge......................33

1967 Nebraska Nesting Survey......................35

1967 Christmas Count......................42

1968 Migratory Bird Stamp......................46

Notes......................46

Treasurer's Report......................48


A Bull Snake Encounter With Young Ground Squirrels, Orrin J. Rongstad Jan 1968

A Bull Snake Encounter With Young Ground Squirrels, Orrin J. Rongstad

Journal of the Minnesota Academy of Science

Apparent results of on encounter of a bull snake, Pituophis catenifer, with a litter of three thirteen-lined ground squirrels, Citellus tridecemlineatus, suggests that bull snakes may have eliminated young ground squirrels from a 3-acre lawn of the Cedar Creek Natural History Area at Bethel, Minn., during the summer of 1967.


Natural Selection In A Leopard Frog Population, David J. Merrell Jan 1968

Natural Selection In A Leopard Frog Population, David J. Merrell

Journal of the Minnesota Academy of Science

In a population of immature leopard frogs (Rana pipiens) at Mud Lake, Washington County, Minnesota, a high frequency of unilateral deformity of the hind legs was observed in 1965. Metamorphosis from tadpole to frog took place during July, and samples in late July averaged 14.8% deformed frogs. By late September, the frequency of deformed frogs had decreased to 3.6%, presumably as the result of natural selection.


Front Matter, Vol. 9 No. 3 Jan 1968

Front Matter, Vol. 9 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Taxonomic Review : Miridae Of The Nevada Test Site And The Western United States, Harry H. Knight Jan 1968

Taxonomic Review : Miridae Of The Nevada Test Site And The Western United States, Harry H. Knight

Brigham Young University Science Bulletin, Biological Series

Approximately 5,000 specimens of plant bugs were collected at the Nevada Test Site between 1959 and 1965. Greatest emphasis was given to collecting from June 10–24, 1965, when the desert areas at the test site were unusually profuse with blooming vegetation. A total of 160 species representing 50 genera was taken at the test site. Of these, 7 genera and 96 species are new to science.

Comparative data for these and additional species from other parts of western North America are also included. These represent an additional 449 species, of which 5 genera and 148 species are new to science. …


A Brief History Of The Namru-3 Medical Zoology Program, Harry Hoogstraal Jan 1968

A Brief History Of The Namru-3 Medical Zoology Program, Harry Hoogstraal

United States Naval Medical Research Unit 3: Publications

The NAMRU-3 Medical Zoology program began during Easter week of 1950. We had just closed the NAMRU-3 field station at Torit, in Equatoria Province of soulheastern Sudan, and were heading homeward to the United States. However, the offer to remain in Egypt for a year or two to develop a Medical Zoology department at NAMRU-3 provided an interesting challenge after working for several years in tropical forests and grasslands of Africa and other continents. We shall briefly describe subsequent events under four headings: (1) Medical Zoology in Egypt, (2) Ticks and Tickborne Diseases of the World, (3) Kala Azar in …


Whole Issue Nebraska Bird Review (Jan 1968) 36(1) Jan 1968

Whole Issue Nebraska Bird Review (Jan 1968) 36(1)

Nebraska Bird Review

TABLE OF CONTENTS

1967 (Forty-second) Spring Migration and Occurrence Report ...................2

Notes ...................10

Swans ...................16

1967 Fall Field Day...................19

Pritchard Designs 1968 "Duck" Stamp ...................20

In Memoriam - Leroy M. Gates ...................20


Some Aspects Of The Age And Growth Of The Longear Sunfish, Lepomis Megalotis, In Arkansas Waters, Edmond J. Bacon Jr., Raj V. Kilambi Jan 1968

Some Aspects Of The Age And Growth Of The Longear Sunfish, Lepomis Megalotis, In Arkansas Waters, Edmond J. Bacon Jr., Raj V. Kilambi

Journal of the Arkansas Academy of Science

No abstract provided.


Schistosome Dermatitis At Basswood Lake, Minnesota, James A. Zischke, Deloris Palmquist Zischke Jan 1968

Schistosome Dermatitis At Basswood Lake, Minnesota, James A. Zischke, Deloris Palmquist Zischke

Journal of the Minnesota Academy of Science

During the summer of 1965 cases of schistosome dermatitis were reported at the Associated Colleges of the Midwest Wilderness Field, Station on Basswood Lake, Minnesota. Collection and isolation of gastropods from the lake revealed an extremely high incidence of Trichobilharzia ocellata infections in Lymnaea stagnalis. A flock of semi-domestic mallard ducks first introduced al the lake in 1963 are believed to be the principal definitive hosts contributing to the epidemiology of the parasite in the area.


Radio-Tracking The Movements Of A Young Male Raccoon, Frank J. Turkowski, L. David Mech Jan 1968

Radio-Tracking The Movements Of A Young Male Raccoon, Frank J. Turkowski, L. David Mech

Journal of the Minnesota Academy of Science

Movements of o young male raccoon (Procyon lotor) were studied for four months in 1965 through the use of an automatic radio-tracking system. Data for 135 days were collected, and 2,065 locations were recorded. The study animal usually rested throughout the day at different sites. Nightly activity usually began within an hour before or after sunset and ceased within an hour before or after sunrise; the mean duration of the active period was 9 hours and 5 minutes (S.E. = 19 minutes). Nightly movements varied both in extent and areas visited. The raccoon visited a certain cornfield on 87 per …


Lead Shot In Some Spring Migrant Ducks, Robert L. Jessen, Dwain W. Warner, Francis A. Spurrell, John P. Lindmeier, Bertin W. Anderson Jan 1968

Lead Shot In Some Spring Migrant Ducks, Robert L. Jessen, Dwain W. Warner, Francis A. Spurrell, John P. Lindmeier, Bertin W. Anderson

Journal of the Minnesota Academy of Science

The incidence of lead shot in l ,687 lesser scaup (Athya affinis) and 416 ring-necked ducks (Athya collaris) in spring migration in Minnesota and the implications as related to the bird population and hunting harvest the preceding fall are considered in this study. The ducks, which were examined for shot by photofluorographic radiography had died as a result of oil pollution on the Mississippi River in the vicinity of Red Wing in the spring of 1963. The birds were separated into two age groups and by sex. Yearling lesser scaup had a body shat incidence (proportion of birds containing shot) …


A 'New' Hybrid Minnow, Gary L. Phillips, David A. Etnier Jan 1968

A 'New' Hybrid Minnow, Gary L. Phillips, David A. Etnier

Journal of the Minnesota Academy of Science

The specimen of a hybrid between the minnows Chrosomus erythrogaster and Dionda nubila is described. Taken in southeastern Minnesota near the known northernmost distributional limits of both parent species, this hybrid is between the parental extremes in most of the anatomical features examined.


Survey Of Albino Birds In Arkansas, Earl L. Hanebrink Jan 1968

Survey Of Albino Birds In Arkansas, Earl L. Hanebrink

Journal of the Arkansas Academy of Science

No abstract provided.