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Articles 31891 - 31920 of 36412

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End Matter, Vol. 3, Index Dec 1979

End Matter, Vol. 3, Index

Great Basin Naturalist Memoirs

No abstract provided.


Full Issue, Vol. 3 Dec 1979

Full Issue, Vol. 3

Great Basin Naturalist Memoirs

No abstract provided.


Front Matter, Vol. 3 Dec 1979

Front Matter, Vol. 3

Great Basin Naturalist Memoirs

No abstract provided.


Rate Of Depletion Of Liver Vitamin A In Chicks, Weanling Rabbits And Weanling Rats Fed Vitamin A-Free Diets, J.J. Tlustohowicz, R.C. Hall, J.E. Rousseau, H.I. Frier, S. Donoghue Nov 1979

Rate Of Depletion Of Liver Vitamin A In Chicks, Weanling Rabbits And Weanling Rats Fed Vitamin A-Free Diets, J.J. Tlustohowicz, R.C. Hall, J.E. Rousseau, H.I. Frier, S. Donoghue

Storrs Agricultural Experiment Station

No abstract provided.


Kentucky Warbler (Vol. 55, No. 4), Kentucky Library Research Collections Nov 1979

Kentucky Warbler (Vol. 55, No. 4), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


Reproductive Characteristics Of Boars During And After Exposure To Increased Ambient Temperature , R. P. Wettemann, M. E. Wells, R. K. Johnson Nov 1979

Reproductive Characteristics Of Boars During And After Exposure To Increased Ambient Temperature , R. P. Wettemann, M. E. Wells, R. K. Johnson

Department of Animal Science: Faculty Publications

Reproductive performance of 12 11-month-old Yorkshire boars was determined during and after exposure to control or increased ambient temperatures. After 3 weeks adjustment at 23 C in temperature controlled chambers, six boars were heat stressed by exposure to 34.5 ± 1.0 C for 8 hr and 31.0 ± 1.0 C for 16 hr during each 24-hr period and six control boars were maintained at 23.0 ± 1.0 C for 11 weeks. All boars were subsequently exposed to 23 C for 6 weeks. Semen was collected twice weekly before, during and after heat stress and boars were naturally mated with gilts …


Concurrent Drinking By Pigeons On Fixed-Interval Reinforcement Schedules, Robert H.I. Dale Nov 1979

Concurrent Drinking By Pigeons On Fixed-Interval Reinforcement Schedules, Robert H.I. Dale

Scholarship and Professional Work - LAS

Three experienced pigeons were exposed to at least ten consecutive 100-min sessions on each of three food-reinforced fixed-interval (FI) schedules: FI 50-sec, FI 100-sec and FI 200-sec. Water was freely available. Drinking was largely confined to the first third of each fixed interval, and the mean sessional water intake was directly related to the food-reinforcement rate for each animal. The animals drank very quickly, i.e., 3-4 ml/sec, but the drinking bouts were brief, i.e., 0.8-1.4 sec, and infrequent, i.e., 2-5/hr. The parameters describing concurrent drinking in the pigeon are strikingly different from those describing rats’ drinking under similar reinforcement schedules, …


State Of The Fisheries Report 1978, Department Of Fisheries And Wildlife, Western Australia Sep 1979

State Of The Fisheries Report 1978, Department Of Fisheries And Wildlife, Western Australia

Status Reports of the Fisheries and Aquatic Resources

Western Australia has maintained its position as the top fishing State. The catch in Western Australia of fish, crustaceans, and molluscs in 1977-78 was worth $76 million to the fishermen, which is 36 per cent of the total value for Australia.


Records Of Bats (Mammalia: Chiroptera) From Suriname, Hugh H. Genoways, Stephen L. Williams Sep 1979

Records Of Bats (Mammalia: Chiroptera) From Suriname, Hugh H. Genoways, Stephen L. Williams

University of Nebraska State Museum: Mammalogy Papers

Ten species are added to the 60 species of bats already known to occur in Suriname. The species added include Micronycteris minuta, M. nicefori, Phylloderma stenops, Tonatia bidens, T. brasiliense, Carollia brevicauda, Chiroderma trinitatum, Vampyressa bidens, Promops centralis, and P. nasutus. Additional information is presented on five species previously recorded from Suriname, including Pteronotus parnellii, Mimon crenulatum, Artibeus concolor, Chiroderma villosum, and Sturnira tildae.


Every Fur Coat Hurts! Sep 1979

Every Fur Coat Hurts!

Close Up Reports

No abstract provided.


Distribution And Natural History Of Amphibians And Reptiles In Western Nebraska With Ecological Notes On The Herpetiles Of Arapaho Prairie, Royce E. Ballinger, John D. Lynch, Patrick H. Cole Sep 1979

Distribution And Natural History Of Amphibians And Reptiles In Western Nebraska With Ecological Notes On The Herpetiles Of Arapaho Prairie, Royce E. Ballinger, John D. Lynch, Patrick H. Cole

Papers in Herpetology

Introduction: The distribution and natural history of amphibians and reptiles have been little studied in the northern states of the great plains. Relative to other vertebrate groups, the herpetofauna of grasslands is depauperate particularly at higher latitudes where temperature becomes a limiting factor to poikilotherms. Nevertheless, certain species of amphibians and reptiles are common in specific habitats and thus form a conspicuous component of the prairie fauna. The purposes of the present study were to document the distributions of herpetiles in a specified region of western Nebraska and to describe general aspects of their natural history. We hope such information …


Whole Issue Nebraska Bird Review (September 1979) 47(3) Sep 1979

Whole Issue Nebraska Bird Review (September 1979) 47(3)

Nebraska Bird Review

Table of Contents

1979 (Fifty-fourth) Spring Migration and Occurrence Report .......................... 42

The Seventy-eight Annual Meeting ................................................ 54

1979 Fall Field Day................................. 55

Book Reviews.............................................................. 56

Successful Golden Eagle Nest in Southwest Nebraska ............................... 57

Notes ......................................................................... 57


Specialized Insectivory: Beetle-Eatinga Nd Moth-Eating Molossid Bats, Patricia W. Freeman Aug 1979

Specialized Insectivory: Beetle-Eatinga Nd Moth-Eating Molossid Bats, Patricia W. Freeman

University of Nebraska State Museum: Mammalogy Papers

The structure and mechanics of insectivores have been little studied. An effort is made here to compare and contrast jaw characteristics of insectivorous bats with those of herbivores and carnivores. Further, in one particular family of bats (Molossidae) jaw modifications are such that animals that take hard-shelled insect prey can be distinguished from those that take soft-shelled insect prey. Beetle-eaters generally have thick jaws, well-developed cranial crests, and fewer but bigger teeth, whereas moth-eaters have thin jaws, little crest build-up, and more but smaller teeth.


Danazol As A Steroid Enzyme Inhibitor In Rat Adrenal Glands, Frank A. Miklavcic Aug 1979

Danazol As A Steroid Enzyme Inhibitor In Rat Adrenal Glands, Frank A. Miklavcic

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Frank A. Miklavcic on August 1, 1979.


Kentucky Warbler (Vol. 55, No. 3), Kentucky Library Research Collections Aug 1979

Kentucky Warbler (Vol. 55, No. 3), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


Mule Deer Habitat Guidelines, Richard M. Kerr Aug 1979

Mule Deer Habitat Guidelines, Richard M. Kerr

United States Bureau of Land Management: Staff Publications

The purpose of this Mule Deer (Odocoileus hemionus) Habitat Management Guide is principally to assist BLM managers and biologists in planning for and managing mule deer habitat on public lands administered by the Bureau of Land Management. For many years Federal land management agencies have made the distinction between the Federal responsibility for managing habitat and the State prerogatives of managing native wild ungulate populations. Certainly the two are inseparably linked. These responsibilities, and up to now "symbiotic relationships", are probably best described succinctly in Title 43 of the Code of Federal Regulations Part 24.

Outlook -- The …


Growth And Food Habits Of Micropterus Salmoides In Westhampton Lake, Richmond, Virginia, Charles H. Rawls Jr. Aug 1979

Growth And Food Habits Of Micropterus Salmoides In Westhampton Lake, Richmond, Virginia, Charles H. Rawls Jr.

Master's Theses

Age, growth, and food habits of the population of Micropterus salmoides (largemouth bass) in Westhampton Lake were studied from September to November 1978. Two year classes (0 and I) were identified by determining numbers of annuli on the scales of the fish. Growth data indicated that the bass attain a size of 254 mm (10 in.) near the end of their second summer. The length-weight relationship was log W = -4.6829 + 2.9153 log TL. The Fulton condition factor for the population was 1.40. Food habits were described by numerical and frequency of occurrence methods. Young of the year sunfish …


A Study Of The Comparative Effectiveness Of Different Methods For The Induction Of Pseudopregnancy In The Mouse, Ricky E. Collins Aug 1979

A Study Of The Comparative Effectiveness Of Different Methods For The Induction Of Pseudopregnancy In The Mouse, Ricky E. Collins

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Ricky E. Collins on August 1, 1979.


Progress Report For The Dairy Research Advisory Board, Various Authors Jul 1979

Progress Report For The Dairy Research Advisory Board, Various Authors

Other Documents

No abstract provided.


Illegal, Secret Dogfights And Cockfights Rampant In U.S. Jul 1979

Illegal, Secret Dogfights And Cockfights Rampant In U.S.

Close Up Reports

Enforcement is Difficult & Dangerous!


Swimming As A Determinate To Immigration For Two Small Mammals In Coastal Virginia, Jeffrey Lewis Carter Jul 1979

Swimming As A Determinate To Immigration For Two Small Mammals In Coastal Virginia, Jeffrey Lewis Carter

Biological Sciences Theses & Dissertations

Small mammals were live trapped on the mainland and on an island located in the southeast corner of Virginia. The area was characterized by a mid-Atlantic coastal climate. White-footed mice (Perompsous fsucopus) were trapped on the mainland but not on the island, whereas meadow voles (Microtus psnnsylvimious) inhabited only the island. A series of swimming tests were performed in both the field and in the laboratory on both of these species to determine if swimming abilities could be the factor preventing Pszomysous from colonizing the island.

Both species of small mammals showed good swimming endurance in …


Seasonal Feeding Habits Of The River Otter (Lutra Canadensis) In Ditches Of The Great Dismal Swamp, Ronnie M. Pierce Jul 1979

Seasonal Feeding Habits Of The River Otter (Lutra Canadensis) In Ditches Of The Great Dismal Swamp, Ronnie M. Pierce

Biological Sciences Theses & Dissertations

To determine the seasonal feeding habits of the river otter (Lutra canadensis) in the Great Dismal Swamp 209 scats were collected, from May 1977 to May 1978, and analyzed for content. Remains of crayfish were found with a frequency of occurrence of 82% while fish remains occurred in 62% of the scat. This is in direct contrast to previous studies (from other areas) which found fish with a greater frequency than crayfish. Fish consumption was believed to increase during periods of low water or low temperatures. Sunfish were represented most frequently and may be the preferred fish. Amphiuma remains …


Bulletin 3967 - Cyanogenetic Plants Of Western Australia, T E H Aplin Jun 1979

Bulletin 3967 - Cyanogenetic Plants Of Western Australia, T E H Aplin

Bulletins - 3000 - 3999

This article deals with those native, naturalized and cultivated plants, which by virtue of contained cyanogenetic glycosides, are known to be poisonous or potentially poisonous to livestock in Western Australia.

Cyanogenetic glycosides are chemical compounds which contain a cyanogen (cyanide) radical combined with a sugar molecule. The sugar moiety may differ in glycosides obtained from different plants, and as a consequence glycosides from different plants, containing different sugar moieties, may be given different names.

When a cyanogenetic glycoside is broken down by enzyme action, through injury to the plant or by microbial action in the digestive system of the animal, …


Whole Issue Nebraska Bird Review (June 1979) 47(2) Jun 1979

Whole Issue Nebraska Bird Review (June 1979) 47(2)

Nebraska Bird Review

Table of Contents

1978 (Twenty-first) Fall Occurrence Report ........................................ 22

Addition to 1978 Spring Migration Report .......................................... 33

1978 Christmas Count........................................................... 33

Some Comments on "The Breeding Birds of Nebraska”............................. 38

A Second Nesting Record for Merlins in Nebraska .................................. 39

Great Black-backed Gull near Omaha............................................. 39


The Effect Of Rutin On Swine Serum Cholesterol And Lipoproteins, Jimmy R. Salyer May 1979

The Effect Of Rutin On Swine Serum Cholesterol And Lipoproteins, Jimmy R. Salyer

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Jimmy R. Salyer on May 8, 1979.


The Effect Of Quercetin-3-B-Rutinoside On Blood Coagulation And The Development Of Atherosclerotic Lesions In Swines, Milford C. Jarrells May 1979

The Effect Of Quercetin-3-B-Rutinoside On Blood Coagulation And The Development Of Atherosclerotic Lesions In Swines, Milford C. Jarrells

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree on Master of Science in Biology by Milford C. Jarrells on May 8, 1979.


Cell Culturing Of Swine Aortic Smooth Muscle Cells, Rita E. Bustos May 1979

Cell Culturing Of Swine Aortic Smooth Muscle Cells, Rita E. Bustos

Morehead State Theses and Dissertations

A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science by Rita E, Bustos on May 2, 1979.


Subject And Author Index For Bulletins Of The Storrs Agricultural Experiment Station, Mohini Mundkur May 1979

Subject And Author Index For Bulletins Of The Storrs Agricultural Experiment Station, Mohini Mundkur

Storrs Agricultural Experiment Station

Storrs Agricultural Experiment Station Bulletin #453, 68 pages.


Front Matter, Elephant Editors May 1979

Front Matter, Elephant Editors

Elephant

Table of Contents and Cover credits


Observations In Tsavo National Park, Kenya, Evans E. Mgaah May 1979

Observations In Tsavo National Park, Kenya, Evans E. Mgaah

Elephant

Personal observations from four years as a game ranger in Tsavo National Park, Kenya.