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Articles 10081 - 10110 of 10513
Full-Text Articles in Zoology
End Matter, Vol. 7 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 7 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Whole Issue Nebraska Bird Review (July 1966) 34(3)
Whole Issue Nebraska Bird Review (July 1966) 34(3)
Nebraska Bird Review
Table of Contents
An Early Record of the Ross' Goose in Nebraska ...................46
The Sixty-Fifth Annual Meeting................... 47
Notes ...................49
In Memoriam - A. M. Jones ...................49
1965 (Eighth) Fall Record Report ...................50
Correction to 1963 Fall Record Report ...................58
Honorary Member - Alfred M. Bailey ...................59
Book Reviews................... 59
1965 Nest Card Survey ...................61
Records Of Bats From Western North Dakota, J. Knox Jones Jr., Hugh H. Genoways
Records Of Bats From Western North Dakota, J. Knox Jones Jr., Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
From June 16 to 19 and again from June 24 to 29, 1965, a field party from the Museum of Natural History of The University of Kansas collected mammals along the Little Missouri River at a place 1 mi. S and 1 mi. W Medora, Billings Co., North Dakota. Among the specimens collected were representatives of five kinds of bats, including one species unreported from North Dakota, a subspecies unrecorded from there, and two species known previously from the state by a single specimen each.
Ants Of The Nevada Test Site, Arthur Charles Cole Jr.
Ants Of The Nevada Test Site, Arthur Charles Cole Jr.
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 7 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 7 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 7 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 7 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred
Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Northward Dispersal Of The Hispid Cotton Rat In Nebraska And Missouri, Hugh H. Genoways, Duane A. Schlitter
Northward Dispersal Of The Hispid Cotton Rat In Nebraska And Missouri, Hugh H. Genoways, Duane A. Schlitter
University of Nebraska State Museum: Mammalogy Papers
Cockrum (1948 : 306-312 and 1952 : 184-187) summarized the northward movement of the hispid cotton rat, Sigmodon hispidus texianus, in Kansas. He showed that between 1933 and 1947 the cotton rat extended its distribution northward approximately 100 miles-from Greenwood and Allen counties north to Brown County, an average distance of seven miles per year. As of 1952, the northernmost record for the species was 5 mi. S Hiawatha, Brown County (obtained 29 November 1947), in northeastern Kansas. Trapping between 1945 and 1947 in Mitchell, Norton, and Thomas counties, in the central and western parts of northern Kansas, and …
A Cytological Study Of Certain Life Cycle Stage Of Eimeria Bovis, John V. Ernst
A Cytological Study Of Certain Life Cycle Stage Of Eimeria Bovis, John V. Ernst
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Although much research has been done on the bovine coccidia little has been reported on the cytological nature of the different stages. Few descriptions of cytoplasmic structures occur in the literature. Because of the impermeability of the oocyst wall a definitive study of the nucleus in the unsporulated oocyst has not been made, nor have the nuclear changes during the two successive divisions which occur during the process of sporulation been described.
The Use Of Amprolium In Controlling Coccidiosis In Lambs, Joseph E. Kuta
The Use Of Amprolium In Controlling Coccidiosis In Lambs, Joseph E. Kuta
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Young lambs are subject to severe infections with coccidiosis, which cause weight loss, morbidity, woolbreaking, and death (Christensen, 1940b; Shumard, 1957; Lotze, 1959; Smith et al., 1960). Dunlap et al. (1949) have shown that the adult sheep are reservoir hosts and are a constant source of infection to lambs. Outbreaks of coccidial infections, especially under feedlot conditions, are frequent (Newsom and Cross, 1931; Piras, 1934; Deem and Thorp, 1940; Mahrt and Sherrick, 1965).
Immunity To Ostertagiasis In Calves, Leo F. Lejambre
Immunity To Ostertagiasis In Calves, Leo F. Lejambre
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Parasites are responsible for heavy economic loss to the livestock industry. The losses in cattle due to parasitism can only be roughly estimated, since many cattle do not die or become visibly sick. However, there are more subtle losses such as reduced growth rate, and decreased meat and milk production (Levine, 1961). In 1954 the U. S. Department of Agriculture published an estimate of the losses in agriculture over the 10 year period, 1942-1951. At that time, the best judgement of specialists in the Department of Agriculture placed the annual loss to parasitism in cattle at $19,026,000 of which $8,989,000 …
The Initiation Of Infection By Dna From Bacteriophage Lambda, Gerald D. Elseth
The Initiation Of Infection By Dna From Bacteriophage Lambda, Gerald D. Elseth
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Deoxyribonucleic acid isolated from bacteriophage λ can infect Escherichia coli K12 in the presence of adsorbed helper phage (Kaiser and Hogness, 1960; Kaiser, 1962). The manner in which λ DNA enters the cell and the possible role of helper phage in the penetration process is still not clear. Kinetic studies conducted in this laboratory during the initial stages of infection by λ DNA demonstrate a requirement for helper function during the penetration of an infectious molecule. Further investigation into this problem is needed and was the major objective of this study.
Whole Issue Nebraska Bird Review (April 1966) 34(2)
Whole Issue Nebraska Bird Review (April 1966) 34(2)
Nebraska Bird Review
Table of Contents
Treasurer's Report - 1965 ................................................................ 22
Progress Report on the Prairie Grouse Nesting Study in the Nebraska Sandhills ............................................................ 23
Nesting Birds of the Crescent Lake National Wildlife Refuge .... 31
1965 Christmas Count ............................................ ............................. 35
Excerpts from Letters ............................................................................. 39
Nesting Report - 1965 ........................................................................ 41
Western Kingbird Nesting in the Nebraska Sandhills ................ 44
Hooded Warbler in Logan County ...................................... 44
Nesting Birds Of The Crescent Lake National Wildlife Refuge, Roger S. Sharpe, Raphael Richard Payne
Nesting Birds Of The Crescent Lake National Wildlife Refuge, Roger S. Sharpe, Raphael Richard Payne
Nebraska Bird Review
The Crescent Lake National Wildlife Refuge is located in Garden County near the heart of the Nebraska Sandhill Lakes Region. This country is principally rolling mid-grass prairie, the hills reaching a height of as much as 200 feet above the wet meadows. A good portion of the refuge's 46,000 acres consists of these lush meadows which are pocked by marshes, potholes and small lakes. Natural drainage from the surrounding sandhills and springs in the basins feed these water bodies.
The lakes are quite shallow, reaching a depth of perhaps 15 feet. They are alkaline yet are not so highly basic …
Annual And Season Weight Changes In A Thirteen-Lined Ground Squirrel Population, Itasca State Park, Minnesota, Bonnie M. Hohn, William H. Marshall
Annual And Season Weight Changes In A Thirteen-Lined Ground Squirrel Population, Itasca State Park, Minnesota, Bonnie M. Hohn, William H. Marshall
Journal of the Minnesota Academy of Science
The ecology of the thirteen-lined ground squirrel (Citellus tridecemlineotus) has been under investigation since 1954 on the grounds of the University of Minnesota Forestry and Biological Station located in Itasca State Park, Minnesota. Over the 11-year period, data have been collected on individuals of this small, relatively isolated, population. Studies of population dynamics, movements, activity patterns, and weights have been stressed, chiefly during the three summer months of June, July, and August. In 1964, the senior author carried out field work for the entire season from April 30 to September 14.
Growth Rates At Various Temperatures Of The Orange-Throat Darter Etheostoma Spectabile (Agassiz), Boyce W. West
Growth Rates At Various Temperatures Of The Orange-Throat Darter Etheostoma Spectabile (Agassiz), Boyce W. West
Journal of the Arkansas Academy of Science
No abstract provided.
Whole Issue Nebraska Bird Review (January 1966) 34(1)
Whole Issue Nebraska Bird Review (January 1966) 34(1)
Nebraska Bird Review
Table of Contents
Some Observations of Vertebrate Fauna of the Nebraska Sandhills, 1941 through 1943 ..................2
Fall Field Day ..................15
Correction to 1965 Spring Report ..................16
Book Reviews ..................16
General Notes ..................16
Excerpts From· Letters ..................17
Some Spring Migrant and Breeding Records from Northern Nebraska ..................18
August Eiche ..................20
Edgar D. Wieder ..................20
Heat Resistance Experiments With The Longear Sunfish, Lepomis Megalotis (Rafinesque), William H. Neill, Kirk Strawn, James E. Dunn
Heat Resistance Experiments With The Longear Sunfish, Lepomis Megalotis (Rafinesque), William H. Neill, Kirk Strawn, James E. Dunn
Journal of the Arkansas Academy of Science
No abstract provided.
Enhanced Phagocytosis Of Salmonella Enteritidis With Hypoagglutinating Mouse Antisera, Jack Lockhart, Leo J. Paulissen
Enhanced Phagocytosis Of Salmonella Enteritidis With Hypoagglutinating Mouse Antisera, Jack Lockhart, Leo J. Paulissen
Journal of the Arkansas Academy of Science
No abstract provided.
Nebraska Bird Review (October 1965) 33(4), Whole Issue
Nebraska Bird Review (October 1965) 33(4), Whole Issue
Nebraska Bird Review
Table of Contents
1965 (Fortieth) Spring Migration and Occurrence Report ......................54
Two Unusual Birds Reported ......................65
Correction to 1964 Spring Report ......................65
Honorary Member - Harold J. D. Turner ......................66
Excerpts from Letters ...................... 66
M. A. Carriker, Jr. ...................... 68
A Parasitized Prairie Chicken Nest ......................68
Book Reviews ...................... 69
Index of Volume XXXIII ...................... 70
The Coccidian Parasites (Protozoa, Sporozoa) Of Rodents, Norman D. Levine, Virginia Ivens
The Coccidian Parasites (Protozoa, Sporozoa) Of Rodents, Norman D. Levine, Virginia Ivens
Harold W. Manter Laboratory of Parasitology: Library Materials
This monograph summarizes the known information on taxonomy, morphology, life cycle, hosts, location in the host, pathogenicity, geographic distribution, and cross-transmission studies of the 196 named species of coccidia of rodents. These include 176 species of Eimeria, 9 of Isospora, 3 of Wenyonella, 2 each of Cryptosporidium and Klossiella, and 1 each of Dorisiella, Caryospora, Tyzzeria, and Klossia. In addition, similar data are given for those forms for which insufficient information is available to justify assigning them names.
Eimeria, which is the most common genus, has been described from only 15% …
Nebraska Bird Review (July 1965) 33(3), Whole Issue
Nebraska Bird Review (July 1965) 33(3), Whole Issue
Nebraska Bird Review
Table of Contents
1964 (Seventh) Fall Record Report ...........................34
The Sixty-Fourth Annual Meeting ...........................47
Book Review........................... 48
In Memoriam- Miss Mary A. Towne........................... 48
Mississippi Kite Seen in Fontenelle Forest........................... 49
General Notes ...........................49
Excerpts from Letters ...........................50
Treasurer's Report- 1964 ...........................52
Front Matter, Vol. 7 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner
A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
This paper constitutes a terminal report to the United States Atomic Energy Commission for contract AT(11-1)819. It provides not only a faunistic and floristic study of areas having a high and low surface radiation, but also includes a consideration of their general ecology. Major emphasis is placed on the variation of the external characteristics of the small vertebrates of these areas with a statistical analysis of those characters examined in the lizards. The study was conducted in southeastern Utah (Tanner 1963, see map) from October 1959 through 1964, and was conducted as a test of the variation effects of natural …
End Matter, Vol. 7 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Amphibians And Reptiles Of Vigo County, Indiana, David Rubin
Amphibians And Reptiles Of Vigo County, Indiana, David Rubin
All-Inclusive List of Electronic Theses and Dissertations
Vigo County, Indiana is an extremely interesting area for herpetological studyo Its geographical location allows for the interplay of faunal elements from east, west, north, and south (Smith and minton, 1957) and its physiography permits investigation of the relations of terrain and glacial geology to herpetofaunal distribution. Blatchley (1891, 1899) published two papers on the amphibians and reptiles of the county and Allyn and Shockley (1938) reported on the county's salamandersa The present paper has the following objectives: to determine which species occur or have recently occurred in Vigo County; to determine amphibian and reptile distribution in the county; to …
Nebraska Bird Review (April 1965) 33(2), Whole Issue
Nebraska Bird Review (April 1965) 33(2), Whole Issue
Nebraska Bird Review
Table of Contents
A Study of Nesting Dickcissels in Nebraska ......................... 22
Honorary Members-Leroy M. Gates ......................... 25
Miss Doris B. Gates ......................... 26
In Memoriam-Frederick Ira Day ......................... 26
Book Reviews ......................... 27
Wintering Sandhill Cranes in Lincoln County ......................... 28
1964 Christmas Count ......................... 29
Comments ......................... 32