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Articles 10201 - 10230 of 10513
Full-Text Articles in Zoology
Nebraska Bird Review (July 1962) 30(3), Whole Issue.
Nebraska Bird Review (July 1962) 30(3), Whole Issue.
Nebraska Bird Review
Table of Content
The Status of Wild Turkeys in Nebraska .......................... 34
Extinct Birds .......................... 35
Four Report of Fall Records, 1961 .......................... 41
General Notes .......................... 49
Meetings and Reports.......................... 50
Hawks and Owl Laws .......................... 51
Whole Issue Nebraska Bird Review (April 1962) 30(2)
Whole Issue Nebraska Bird Review (April 1962) 30(2)
Nebraska Bird Review
TABLE OF CONTENTS
Birding Areas Near Aurora....................18
The Incidence of Nest Parasitism by the Brown-headed Cowbird....................20
Annual Winter Meeting....................23
Nesting Report, 1961....................24
Dr. Ralph W. Dawson....................28
General Notes....................29
Excerpts from Letters....................30
Nature Music and Surprises in Winter....................30
Treasurer's Report....................31
Book Reviews....................32
End Matter, Vol. 2 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
A Comparative Study Of The Species Of The Genus Crotaphytus Holbrook (Iquanidae), Wilbur Gerald Robison Jr., Wilmer W. Tanner
A Comparative Study Of The Species Of The Genus Crotaphytus Holbrook (Iquanidae), Wilbur Gerald Robison Jr., Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
The anterior musculature of C. wislizeni and C. collaris is described in detail and compared. Size and number relationships of the skull and its component bones, the sternum, the clavicle, the parts of the hyoid, the general body form, certain scales and teeth, and the eggs per clutch were determined for large samples of both species and then statistically compared. The general character of many structures is also compared and notes are made on C. reticulatus.
The differences encountered by this study, as well as the valid ones of those listed by Smith (1946:158–159) are not considered to be important …
Front Matter, Vol. 2 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Distribution Of Mice Populations In The Winona Area, Roger Flattum
Distribution Of Mice Populations In The Winona Area, Roger Flattum
Journal of the Minnesota Academy of Science
Six mice habitats in Winona County, Minnesota, were censused by means of snap traps. Examples of marsh, dry meadow, and woods habitat in an upland environment were selected in East Burns Valley south of Winona. Corresponding habitats in a flood plain -environment were located on Prairie Island northwest of the city. These are representative of the non-agricultural habitats of Winona County.
A Description Of Castoroides Ohioensis From Minnesota, Bruce R. Erickson
A Description Of Castoroides Ohioensis From Minnesota, Bruce R. Erickson
Journal of the Minnesota Academy of Science
No abstract provided.
Food Habits Of The Young Gizzard Shad, George Pahl, Jerry Maurer
Food Habits Of The Young Gizzard Shad, George Pahl, Jerry Maurer
Journal of the Minnesota Academy of Science
In his 1920 paper, L. H. Tiffany states that the gizzard shad (Dorosoma cepedianum) offers for the game fish one of the most direct routes possible from manufacturer to consumer. In view of this conclusion, the research reported in this paper was undertaken for the purpose of determining (a) what foods are ingested by gizzard shad, and (b) if there is any correlation between food ingested and that available in greatest supply in the natural habitat. The study was centered in an area of the Mississippi River in the vicinity of Winona, Minnesota. Some additional work was done about thirty-five …
The Apparent Genetic Relationship Between Campaniform And Trichoid Sensilla On Drosophila Wings, Vern Sisson, Charles L. Hamrum, Arthur W. Glass
The Apparent Genetic Relationship Between Campaniform And Trichoid Sensilla On Drosophila Wings, Vern Sisson, Charles L. Hamrum, Arthur W. Glass
Journal of the Minnesota Academy of Science
No abstract provided.
A Review Of The Characters Used In Identification Of Minnesota Eristalis, Latreille (Diptera, Syrphidae), Charles L. Hamrum, Wayne A. Becker
A Review Of The Characters Used In Identification Of Minnesota Eristalis, Latreille (Diptera, Syrphidae), Charles L. Hamrum, Wayne A. Becker
Journal of the Minnesota Academy of Science
No abstract provided.
Nebraska Bird Review (January 1962) 30(1), Whole Issue.
Nebraska Bird Review (January 1962) 30(1), Whole Issue.
Nebraska Bird Review
Table of Contents
Notes on Raising Blue Grouse ............................................................ 2
Species and Nesting Density of Birds in Grassland Habitats Near Burwell 9
General Notes ............................................................................................ 11
Meetings and Reports ............................................................................ 13
Excerpts From Letters ........................................................................ 14
Mrs. George Kirk .................................................................................... 16
Book Reviews ............................................................................................ 16
Evidence Of Amitosis In Mouse Liver, George Pahl, Michael Cummings
Evidence Of Amitosis In Mouse Liver, George Pahl, Michael Cummings
Journal of the Minnesota Academy of Science
No abstract provided.
Growth Study Of Young Gizzard Shad, George Pahl, Gordon Willfahrt
Growth Study Of Young Gizzard Shad, George Pahl, Gordon Willfahrt
Journal of the Minnesota Academy of Science
This investigation was part of a general study aimed at shedding light upon the role of the gizzard shad (Dorosoma cepedianum) as a forage fish of certain game fish species. Recent changes in the populations of such game fish species as the walleye ( Stizastedion vitreum), northern pike ( Esox lucius) , and largemouth bass (Micropterus salmoides) in the upper Mississippi River suggest that the gizzard shad population might have an important bearing on the present situation. The purpose of this investigation was to study the growth rates of the gizzard shad in the Upper Mississippi River during their first …
Ecology Of Insect Swarms. Iii. Intraspecific Interference In The Swarms Of Anarete Sp. Near Felti Pritchard (Cecidomyiidae, Diptera), H. C. Chiang
Journal of the Minnesota Academy of Science
No abstract provided.
Some Effects Of Ionizing Radiation On The Oral Suckers Of Rana Pipiens Embryos, Charles C. Reed
Some Effects Of Ionizing Radiation On The Oral Suckers Of Rana Pipiens Embryos, Charles C. Reed
Journal of the Arkansas Academy of Science
No abstract provided.
A Check-List Of The Species Of Eleodes And Descriptions Of New Species (Coleoptera-Tenebrionidae), Vasco M. Tanner
A Check-List Of The Species Of Eleodes And Descriptions Of New Species (Coleoptera-Tenebrionidae), Vasco M. Tanner
Great Basin Naturalist
No abstract provided.
Nebraska Bird Review (October 1961) 29(4), Whole Issue
Nebraska Bird Review (October 1961) 29(4), Whole Issue
Nebraska Bird Review
Table of Contents
Thirty-sixth Annual Cooperative Spring Migration and Occurrence Report..........62
The Western Grebe in Nebraska ......................77
Index ......................70
Nebraska Bird Review (July 1961) 29(3), Whole Issue
Nebraska Bird Review (July 1961) 29(3), Whole Issue
Nebraska Bird Review
TABLE OF CONTENTS
Third Report of Fall Records, 1960 ............................... 42
Meetings and Reports ............................................... 47
By-Laws of the Nebraska Ornithologists' Union, Inc. ............... 49
R. Allyn Moser ................................................................. 52
General Notes .......................................................... 53
Excerpts From Letters ................................................57
Susie Callaway .....................................................................59
Book Review .....................................................................60
The Life Cycle And Pathogenicity Of Eimeria Auburnensis, Wayne Norris Clark
The Life Cycle And Pathogenicity Of Eimeria Auburnensis, Wayne Norris Clark
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Coccidiosis in cattle is caused by microscopic one-celled sporozoa belonging to the order Coccidia and the genus Eimeria. Coccidiosis is a common disease of young calves that weakens or kills them, but the disease also occurs in older animals. Eleven species have been reported in cattle of the U.S.A.(Davis and Bowman, 1956). Of this number only two species, Eimeria bovis(Hammond et al., 1946) and Eimeria zurnii(Davis and Bowman, 1957) have been proven pathogenic for cattle, but except for Eimeria alabamensis(Davis et al., 1955) no experimental work has been done on other species.
Deviations In Serum Proteins Associated With Eimeria Bovis Infections In Calves And Some Related Immune Reactions, Paul R. Fitzgerald
Deviations In Serum Proteins Associated With Eimeria Bovis Infections In Calves And Some Related Immune Reactions, Paul R. Fitzgerald
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Bovine coccidiosis is a serious threat to the economy of the cattle industry in the United States. In 1954 the United States Department of Agriculture reported that over $10,000,000 was lost annually as a result of mortality and morbidity in cattle due to this parasite (1). These losses alone amounted to more than one fourth of the total loss in cattle due to parasitism.
Nebraska Bird Review (April 1961) 29(2), Whole Issue
Nebraska Bird Review (April 1961) 29(2), Whole Issue
Nebraska Bird Review
TABLE OF CONTENTS
Wintering Bald Eagles in Nebraska, 1959-1960 ........................26
1956-1960 Nesting Reports ........................31
Dr. George Miksch Sutton ........................35
Dr. Olin Sewell Pettingill, Jr......................... 36
Fall Field Trips and Winter Meeting ........................37
Treasurer's Report ........................38
General Notes ........................39
Letter To The Editor ........................40
Book Reviews........................40
Campaniform Sensilla Patterns On The Wings Of Drosophila, Charles L. Hamrum, Arthur W. Glass, Vern Sisson
Campaniform Sensilla Patterns On The Wings Of Drosophila, Charles L. Hamrum, Arthur W. Glass, Vern Sisson
Journal of the Minnesota Academy of Science
Campaniform sensilla have been described from the wings, mouthparts, legs, and other parts of the insect body. These small sense organs were known under several terms until Berlese ( 1909) applied the term "campaniformi" because of their dome, or bell-shaped character. Numerous functions have been suggested for these organs which seem to be stress receptors of some sort. Very few attempts have been made to utilize these sensilla as taxonomic characters.
Larval Trematodes Of Fresh-Water Snails Of Lake Itasca, Minnesota, Omer R. Larson
Larval Trematodes Of Fresh-Water Snails Of Lake Itasca, Minnesota, Omer R. Larson
Journal of the Minnesota Academy of Science
The purpose of this study was to determine the cercariae present in nine species of aquatic snails of Lake Itasca, Minnesota. Although Cort (1914), and Faust (1917) initiated cercarial survey studies in North America, no comprehensive survey has been reported from Minnesota. Sporadic reports since 1928 have described the occurrence of twenty-two species of cercariae in our state. This report adds seven species to the known cercarial fauna of Minnesota.
Deer Studies At Camp Ripley, Minnesota, Bernard A. Fashingbauer
Deer Studies At Camp Ripley, Minnesota, Bernard A. Fashingbauer
Journal of the Minnesota Academy of Science
The white-tailed deer has been studied by wildlife biologists throughout its range. Additional information is required for improved management of deer in Minnesota and elsewhere. With the permission and cooperation of military authorities, deer studies have been established within the seventy square mile Camp Ripley Military Reservation and State Game Refuge near Little Falls, Minnesota. The accessibility of the area, large deer population, and habitat conditions offered an excellent location for the proposed studies. In addition, the relatively complete control of hunter use of the Camp was a decided advantage in conducting big game research.
Some of the research work …
Progress Report On The Isolation Of Human Antibodies From Cattle Anti-Human Sera, Charles W. Anderson
Progress Report On The Isolation Of Human Antibodies From Cattle Anti-Human Sera, Charles W. Anderson
Journal of the Minnesota Academy of Science
This progress report is concerned with the isolation, detection, and preparation of human antibodies from cattle anti-human sera and can be classified into the field of immunology which deals generally with the mechanisms by which living tissue reacts to foreign living or nonliving biological materials.
The Use Of Tree Rings To Date Beaver Colonies, J. Benton Kettleson
The Use Of Tree Rings To Date Beaver Colonies, J. Benton Kettleson
Journal of the Minnesota Academy of Science
In 1946, I began the periodic observation of several beaver colonies located near my family's summer cabin, in Crow Wing Co., central Minnesota. From 1953 to 1956, a detailed study of the colonies was conducted as a Junior Academy of Science project. During this period, several new colonies were established and many of the older ones abandoned. A study of aerial photographs, followed by a ground check on foot or by canoe, turned up many other beaver colonies, some active at the time of discovery and many apparently long deserted.
In searching for a method of ascertaining when these workings …
The Preparation Of Human Blood Typing Fluids From Cattle Normal And Immune Sera, W. H. Stone, Charles W. Anderson
The Preparation Of Human Blood Typing Fluids From Cattle Normal And Immune Sera, W. H. Stone, Charles W. Anderson
Journal of the Minnesota Academy of Science
No abstract provided.
Nebraska Bird Review (January 1961) 29(1), Whole Issue
Nebraska Bird Review (January 1961) 29(1), Whole Issue
Nebraska Bird Review
TABLE OF CONTENTS
Notes On Bird Distribution In The Central Plains ...................2
Excerpts From Letters ...................23
The Physiological Effects Of Strychnine And Electric Stimuli On Cyclops, Ralph J. Fricke
The Physiological Effects Of Strychnine And Electric Stimuli On Cyclops, Ralph J. Fricke
Journal of the Minnesota Academy of Science
Cyclops, the intermediate hosts of parasites of higher animal~, particularly some tapeworms of fish, waterfowl, and some mammals is a comparatively simply crustacean. From the following it should become apparent that the Cyclops is, in fact, very complex, exhibiting physiological reactions similar to those produced in the mammal. This study will include certain observations of the physiological effects of strychnine and electric stimuli on Cyclops. The animal lacks a heart. Body fluid is circulated as a result of the rhythmic movements of its gut. For the experiments a clone of the species Eueyclops agilis was established. In a clone, all …
An Investigation Of Possible Commensalism In Red Squirrels, Yellow-Bellied Sapsuckers, And Humming-Birds At The Lake Itasca Biological Station, John C. Coulter
An Investigation Of Possible Commensalism In Red Squirrels, Yellow-Bellied Sapsuckers, And Humming-Birds At The Lake Itasca Biological Station, John C. Coulter
Journal of the Minnesota Academy of Science
This is an investigation of a relationship noted at the Lake Itasca Biological Station. It was noted that the Red Squirrel, Tamiasciurus hudsonicus, in some locations spent a considerable amount of time lapping sap from the rows of holes drilled in the White Birch, Betula papyrifera, by the Yellow-bellied Sapsuckers, Sphyropious varius varius (L.). After the invasion of the red squirrel the sapsuckers and the Ruby-throated Hummingbird, Archilochus colubris (L.) continued to utilize the same food supply as well as a considerably number of insects. The two general objectives of this endeavor were then to investigate some of the related …