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Articles 10351 - 10380 of 10513
Full-Text Articles in Zoology
Freshwater Sponges In Arkansas, David Causey
Freshwater Sponges In Arkansas, David Causey
Journal of the Arkansas Academy of Science
No abstract provided.
Effect Of Sodium Azide On Water Transfer In Root Tissue, Germaine Rachaner
Effect Of Sodium Azide On Water Transfer In Root Tissue, Germaine Rachaner
Journal of the Arkansas Academy of Science
No abstract provided.
Whole Issue Nebraska Bird Review (January 1951) 19(1)
Whole Issue Nebraska Bird Review (January 1951) 19(1)
Nebraska Bird Review
Table of Contents
Frontispiece
Ani· The Rare Tropical Bird, W. Le Roy Wilcox ....................... 1
Twenty.Five Year Summary of Bird Migration in Nebraska, Part 4, William F. Rapp Jr .......................... 3
General Notes ............................................................... 9
Announcements .....................................11
Pictorial Study of a Nesting Plover· Roy S. Wycoff, Lexington, Nebraska ................12
Obituary: Mrs. Louise Grier, L. O. Horsky .......................14
Book Reviews ........................14
Membership List ................................ 15
The Status Of Beavers In The Delta Area Of The San Joaquin River, San Joaquin County, California, 1950-1951, Delbert David Cram
The Status Of Beavers In The Delta Area Of The San Joaquin River, San Joaquin County, California, 1950-1951, Delbert David Cram
University of the Pacific Theses and Dissertations
The term “delta area” refers to a region roughly 40 miles long and 15 miles wide situated 65 miles east of San Francisco Bay where the San Joaquin and Sacramento Rivers join and enter Suisun Bay. The waterways in this area are fresh water from these rivers, but they are affected by the ocean tides and to some extent by the salinity of the ocean water. The rgeion ecompasses about 507,000 acres, most of which has been reclaimed for agricultural purposes by the construction of levees to contain the tides and high waters. The word “islands” is used locally to …
The Staphylinoid And Dascilloid Aquatic Coleoptera Of The Nevada Area, Ira La Rivers
The Staphylinoid And Dascilloid Aquatic Coleoptera Of The Nevada Area, Ira La Rivers
Great Basin Naturalist
No abstract provided.
Whole Issue Nebraska Bird Review (Oct 1950) 18(4)
Whole Issue Nebraska Bird Review (Oct 1950) 18(4)
Nebraska Bird Review
Contents
Notes on the Nesting of the Black-crowned Night Heron at the Valentine National Wildlife Refuge ....................63
Announcements ....................64
General Notes ....................65
Constitution and By-Laws of the Nebraska Ornithologists' Union ....................71
Mourning Doves ••• Photographed by Don W. Carter ....................74
Book Reviews ....................76
Twenty-Sixth annual Cooperative Spring Migration Report ....................77
The Production Of A Hardy Strain Of Paramecium Aurelia Using Modified Ringers No. 2 Solution As A Primary Selecting Agent, John Austin James
The Production Of A Hardy Strain Of Paramecium Aurelia Using Modified Ringers No. 2 Solution As A Primary Selecting Agent, John Austin James
Tennessee State University Alumni Theses and Dissertations
No abstract provided.
Whole Issue Nebraska Bird Review (July 1950) 18(3)
Whole Issue Nebraska Bird Review (July 1950) 18(3)
Nebraska Bird Review
Contents
Twenty-five Year Summary of Bird Migration in Nebraska, Part 3 - Ducks ................William F. Rapp, Jr .................41
The Distribution of Field Observations on Nebraska Birds During the Last Fifty Years ••• Thomas B. Thorson .................... 47
Ornithology in Nebraska Colleges and Universities Ramona E. Dreyer and William F. Rapp, Jr ....................48
Least Tern ....................Photographed by Ray S. Wycoff, Lexington, Nebraska ....................50
Minutes of the Forty-Ninth Annual Meeting of The Nebraska Ornithologists' Union ....................52
Announcements & General Notes ....................56
Book Reviews ....................60
Hive And Field Mortality Of Honey Bees In Northern Utah Due To Effects Of Certain Ecological And Chemical Factors, Shih Chun Ma
Hive And Field Mortality Of Honey Bees In Northern Utah Due To Effects Of Certain Ecological And Chemical Factors, Shih Chun Ma
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The honey bee is the most important pollinating insect in Utah, because various important crops such as fruits, legumes, and vegetable seed crops depend chiefly on it for pollination. In the past, honey bees have suffered repeated severe death losses through contact with arsenic and other agricultural chemicals. Recently the newer insecticides, such as DDT, chlordane, parathion, benzene hexachloride, lindane, toxaphene, and several kinds of miticides have further complicated the problem of bee survival. In addition, natural enemies such as predators and parasites and some unfavorable environmental conditions, including unfavorable temperature and humidity, wind, storm, and other changeable weather conditions, …
Whole Issue Nebraska Bird Review (April 1950) 18(2)
Whole Issue Nebraska Bird Review (April 1950) 18(2)
Nebraska Bird Review
Contents
Twenty-five Year Summary of Bird Migration in Nebraska, Part 2.....William F. Rapp, Jr. ..............23
News and Notes ..............25
Report of the Membership Committee 29
Wildfowl Sketches....C.G. Pritchard ..............30
Announcements ..............32
General Notes ..............32
Periodicals in the Nebraska Ornithologists' Union Library ..............36
Book Reviews ..............39
Whole Issue Nebraska Bird Review (Jan 1950) 18(1)
Whole Issue Nebraska Bird Review (Jan 1950) 18(1)
Nebraska Bird Review
Contents
Nesting Birds on a Keith County Farm.............Mrs. Carl N. Collister .............1
Twenty-five Year Summary of Bird Migration in Nebraska
William F. Rapp .............5
Announcements .............11
Pictorial Study of a nesting Eastern Red-Wing.....Adrian C. Fox .............12
General Notes .............14
Membership List............. 18
Book Reviews .............21
1950 Index, Volume Xviii, Number 1, 2, 3, 4
1950 Index, Volume Xviii, Number 1, 2, 3, 4
Nebraska Bird Review
The Nebraska Bird Review
1950- Index
Accipiter ckoperii, 57
Adams County, 14, 47
Aechaophorus occidentalis, 7, 14
Agelaius p. phoenicens, 12, 13
Aix sponsa, 43
Alliance, 67
Ammodramus savannarum
bimaculatus, 59
perpallidus, 35
....
Yellow-legs, 68
Lesser, 67
Yellow-throat, 4, 65
Youngworth, Wm.
The Bird Life on an Abandoned Army Base, 58, 59
Dakota County Notes, 65, 66
Zonotrichia coronata, 68
Crop Damage By Wildlife In California ; With Special Emphasis On Deer And Waterfowl, Earl Roy Biehn
Crop Damage By Wildlife In California ; With Special Emphasis On Deer And Waterfowl, Earl Roy Biehn
University of the Pacific Theses and Dissertations
The problem of crop damage by wildlife is not a new one in California, but it has assumed a role of major economic importance only during the last few decades. Since this problem was first encountered in California, it has steadily increased in size and scope, until today in many areas of the state it is an important economic problem of the farmer; a pressing management problem for the biologists and wildlife technicians of the California Division of Fish and Game; a constant challenge to the game management agents of the Federal Fish and Wildlife Service; a great concern of …
Observations On A New Cystophorous Cercaria From Marine Snails, Jack Edward Copsey
Observations On A New Cystophorous Cercaria From Marine Snails, Jack Edward Copsey
University of the Pacific Theses and Dissertations
A survey of the trematode parasites of marine fishes of Tomales and Bodega Bays, California, was instituted In the Spring of 1948. Many adult forms were obtained, but the search progressively narrowed Itself to a study of the larval trematodss of an area of Tomales Bay, known, as Nick's Cove. Here an interesting cystophorous cercaria was discovered in the littoral snail, Thais emarglnata.
Studies On The Ecological Distribution Of The Genus Tegula At Bodega Bay, California, Allen Emmert Breed
Studies On The Ecological Distribution Of The Genus Tegula At Bodega Bay, California, Allen Emmert Breed
University of the Pacific Theses and Dissertations
This paper is primarily a study of the factors contributing to the distribution of Tegula funebralis and Tegula brunnea in the vicinity of Bodega Bay, California. The two species seldom appear extensively together in the same zone. Tegula brunnea is found on the exposed outer coast of Tomales Point, but not in the immediate zone of Tegula funebralis. Tegula funebralis is found at some points north of Dillon Beach, but it is rarely in the presence of abundant Tegula brunnea. The writer hopes that his efforts may lay a basis for more ecological studies of this genera on the Pacific …
Trypanosoma Barbari, A New Species From The Newt Triturus Torosus, Donald Lewis Lehmann
Trypanosoma Barbari, A New Species From The Newt Triturus Torosus, Donald Lewis Lehmann
University of the Pacific Theses and Dissertations
Whlle making studies of the parasites of fishes and amphibians at the Pacific Marine Station, Dillon Beach, California, during August, 1949, the writer encountered a hitherto unreported trypanasome from a female Triturus torosua. From the information obtained from the one smear, which was stained, the animal was presumed to be monomorphic, However, during February, 1950, a search was made expressly for the purpose of' obtaining specimens of this Pacific Coast newt, and of the eight animals examined six were parasitized. Contrary to the primary observations, evidence was accumulated which proved beyond any doubt that the flagellate is polymorphic and that, …
Reactions Of Protozoa To Volatile Plant Extracts, Gladys M. Burgess
Reactions Of Protozoa To Volatile Plant Extracts, Gladys M. Burgess
Tennessee State University Alumni Theses and Dissertations
No abstract provided.
The Effect Of Formalin On Futhering Delayed Separation Of Conjugating Paramecium Aurelia, Willard Casper Jordan
The Effect Of Formalin On Futhering Delayed Separation Of Conjugating Paramecium Aurelia, Willard Casper Jordan
Tennessee State University Alumni Theses and Dissertations
No abstract provided.
The Influence Of Vitamins B1- And D-Deficient Diets On Albino Rats Infected With Labyrinthitis, George Hull Jr.
The Influence Of Vitamins B1- And D-Deficient Diets On Albino Rats Infected With Labyrinthitis, George Hull Jr.
Tennessee State University Alumni Theses and Dissertations
No abstract provided.
Whole Issue Nebraska Bird Review 1949 (17)
Whole Issue Nebraska Bird Review 1949 (17)
Nebraska Bird Review
Contents of Volume 17 Numbers 1 & 2
Founders of the Nebraska Ornithologists' Union Wilson Tout ...............1
Notes on the Small Mammal Content of Pellets of the Barn Owl in Nebraska
J. Knox Jones ...............4
News and Comments ...............5
Book Reviews ...............6, 24
Minutes of the Forty-eighth Annual Meeting...............7
Report of the Treasurer............... 8
Report of the Annual Field Day ...............17
Minutes of the October Executive Meeting ...............18
President's Page ...............20
Sale of N.O.U. Publications ...............22
Twenty-fifth Annual Spring Migration Report ...............23
Index to Volume 17, 1949
The Lemming Vole, Synaptomys Borealis, In Northern Minnesota, Ralph M. Wetzel, Harvey L. Gunderson
The Lemming Vole, Synaptomys Borealis, In Northern Minnesota, Ralph M. Wetzel, Harvey L. Gunderson
University of Nebraska State Museum: Mammalogy Papers
Lemming voles of the subgenus Mictomys have never been recorded from north-central United States, although they might be expected to occur there judging from records of the species Synaptomys (Mictomys) borealis from southern Manitoba. Recently, examination of specimens in the collection of the Minnesota Museum of Natural History reveals that Synaptomys borealis does occur in north-central United States for we have found the following specimens referable to that species: one immature female (No. 951, MMNH) from Williams, Lake of the Woods County, Minnesota, collected by Gustav Swanson, August 5, 1932; one adult male (No. 2552, MMNH) from Warroad, Roseau County, …
A Survey Of The Adult Trematodes From Fishes Of The Pacific Marine Station Area, William Franklin Johnson
A Survey Of The Adult Trematodes From Fishes Of The Pacific Marine Station Area, William Franklin Johnson
University of the Pacific Theses and Dissertations
An effort is here made to assemble all of our knowledge of all adult trematodes which have been found in the fishes of the Pacific Marine Station Area. This includes publications, unpublished material such as graduate theses, and specimens herein described for the first time. It is hoped that this endeavor will facilitate further investigation in trematodology and that this paper will be an aid in identification of trematodes subsequently discovered.
Studies On Larval Trematodes From Tomales Bay, California, Leroy H. Fisk
Studies On Larval Trematodes From Tomales Bay, California, Leroy H. Fisk
University of the Pacific Theses and Dissertations
Very little is known of the development, life history, economic importance, of biological relationships of larval trematodes, especially in their molluscan and arthropod hosts on the Pacfic Coast. The comparatively few contributions to our knowledge have been from scattered and fragmentary observations. The purpose of this study was to expand our knowledge and to lay a foundation for further work on trematode life cycles in marine organisms. The area selected for special investigation was Nick's Cove, Tomales Bay, California.
Nebraska Bird Review (July-December 1948) 16(2b), Whole Issue
Nebraska Bird Review (July-December 1948) 16(2b), Whole Issue
Nebraska Bird Review
Contents of Volume 16
Number 1
Birds of the Stapleton Area of Nebraska Mr. and Mrs. Earl W. Glandon .............1
Nesting of the Double-crested Cormorant in Nebraska Mrs. Carl N. Collister.............22
Christmas Bird Censuses Adrian C. Fax.............27
Observations on Same Eastern Montana Birds Wm. Youngworth …………38
General Notes …………51
Minutes of the Forty-seventh Annual Meeting …………57
Report of the Forty-fourth Annual Field Day …………63
Announcements …………65
News and Comment …………67
Book Review …………69
Obituary …………70
Nebraska Bird Review (July-December 1948) 16(2a), Whole Issue.
Nebraska Bird Review (July-December 1948) 16(2a), Whole Issue.
Nebraska Bird Review
Contents
Migration Observers Wanted...........Chandler S. Robbins 72
Recent Changes in Nomenclature of Nebraska Birds...R. Allyn Moser 74
The Omaha Meeting of the American Ornithologists' Union...........75
Nebraska Birds in the G. D. Swezey Cabinet of Natural History at Doane College....William F. Rapp, Jr. 76
The 1948 Spring Season in the Crete Area............Rosetta A. Grefe 80
N.O.U. Co-operative Bird Migration and Occurrence List for the First Half of 1948............83
Obituary............91
General Notes............92
Announcements............96
Book Reviews............82, 98
Nebraska Bird Review (January-June 1948) 16(1), Whole Issue.
Nebraska Bird Review (January-June 1948) 16(1), Whole Issue.
Nebraska Bird Review
CONTENTS
Birds of the Stapleton Area of Nebraska
Mr. and Mrs. Earl W. Glandon...............1
Nesting of the Double-crested Cormorant in Nebraska
Mrs. Carl N. Collister..............22
Christmas Bird Censuses..............Adrian C. Fox 27
Observations on some Eastern Montana Birds....Wm. Youngworth 38
General Notes..............51
Minutes of the Forty-Seventh Annual Meeting..............57
Report of the Forty-Fourth Annual Field Day ..............63
Announcements ..............65
News and Comment ..............67
Book Review.............. 69
Obituary..............70
Mule Deer Record For Minnesota, Harvey L. Gunderson
Mule Deer Record For Minnesota, Harvey L. Gunderson
University of Nebraska State Museum: Mammalogy Papers
During the hunting season of 1947, Leonard Nygren shot a deer near Pillager, Cass County, Minnesota. The deer, which weighed 153 pounds dressed, was disqualified in a sportsman's contest because it was not considered a white-tailed deer, according to a newspaper report. The report was investigated and the animal in question was identified as a mule deer, Odocoileus hemionus. This extends the known range of this deer in Minnesota nearly 100 miles to the east. John Jarosz, Museum Preparator, and the writer went to Nygren's place nine miles north of Pillager and measured and skinned the animal which is …
A Study Of The Littoral Marine Isopod Crustacea Of The Dillon Beach Area, Robert James Menzies
A Study Of The Littoral Marine Isopod Crustacea Of The Dillon Beach Area, Robert James Menzies
University of the Pacific Theses and Dissertations
The primary purpose of this study was to provide accurate diagnoses of the littoral marine isopod crustacea in the Dillon Beach area. Such a purpose involved a much more complete study of the anatomy of the species represented in the fauna than was heretofore performed. Certain anatomical structures deemed by earlier writers as specifically diagnostic are demonstrated to be unreliable and in a great many instances other structures previously neither described or figured by American writers are considered of paramount importance in species identification. The number and magnitude of the changes proposed in this paper as illustrated in outline form …
Index To Volume Xv, Number 2, Florence J. Patton
Index To Volume Xv, Number 2, Florence J. Patton
Nebraska Bird Review
Accipitriidae, 25
Adams County, 45
Anatidae, 25
Announcements, 60
Bird Departure Dates, 1
Blackbird, Brewers, 45, 47; Red-winged, Eastern, 50; Yellow-headed, 39
Bluebird, Eastern, 29, 38, 50; Mountain, 52
Bobolink, 46, 47
. . .
Willet, Western, 48
Woodcock, 53
Woodpecker, Hairy, 27; Northern Downy, 27, 50; Red-headed, 27; Western Red-bellied, 26, 39
Wren, Carolina, 42, 48; House, 39, 50; Prairie Marsh, 43; Rock, 46, 52
Yellow-throat, Northern, 50
Nebraska Bird Review (July-December 1947) 15(2), Whole Issue
Nebraska Bird Review (July-December 1947) 15(2), Whole Issue
Nebraska Bird Review
Contents
Bird Departure Dates .........Wilson Tout 1
Recent Changes in Nomenclature and Subspecific Status of Nebraska Birds .........F.W. Haecker 5
"Drumming" in the Chimney Swift .........W.E. Eigsti 9
Banding Mourning Doves in Eastern Nebraska.........Wilhelmina and Leroy Gulotta 12
Hawk Populations in Nebraska......... John H. Wampole 20
Winter Birds of the Fontenelle Forest......... Charles A. Stewart 24
Notes on the Nesting of the Acadian and Alder Flycatchers......... Frank H. Shoemaker ......... 31
N.O.U. Cooperative Bird Migration and Occurrence List for First Half of 1947......... 36
General Notes......... 40
Nebraska Bird Club News......... Adrian C. Fox......... 55
Announcements......... 60
News and Comment......... …