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Articles 35341 - 35370 of 36498

Full-Text Articles in Animal Sciences

The Effect Of Temperature On The Growth Rates Of Several California Frogs, Donald Avila Villeneuve Jan 1960

The Effect Of Temperature On The Growth Rates Of Several California Frogs, Donald Avila Villeneuve

University of the Pacific Theses and Dissertations

To date the majority of the work on the ecological significance of embryonic temperature relationships has been with Eastern Frongs. The writer is aware of only two papers describing work of this nature with California frogs: Schechtmann and Oleson (1941) working with temperature tolerance in embryos of Hyla regilla, and the work of Zweifel (1955) on the Rana boylei species group.

For this reason it seemed desireable to study the effect of temperature on the growth rates of some frogs native to California and, since work of this nature has been done with the eastern Rana catesbeiana by Moore (1942b), …


Valentine's Day Selection Of Mates By Birds Is Fanciful, Jessie Maye Smith Dec 1959

Valentine's Day Selection Of Mates By Birds Is Fanciful, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Elusive Waxwing Seen In Ft. Worth, Jessie Maye Smith Dec 1959

Elusive Waxwing Seen In Ft. Worth, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Area Popular In Most Duck Species, Jessie Maye Smith Dec 1959

Area Popular In Most Duck Species, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Crow Is Justified In His Arrogance, Jessie Maye Smith Nov 1959

Crow Is Justified In His Arrogance, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


10 Species Of Colorful Woodpeckers Are Seen Here, Jessie Maye Smith Nov 1959

10 Species Of Colorful Woodpeckers Are Seen Here, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Starlings Dominate Winter Birds Here, Jessie Maye Smith Nov 1959

Starlings Dominate Winter Birds Here, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


5 Species Of Warbler Counted Here Recently, Jessie Maye Smith Nov 1959

5 Species Of Warbler Counted Here Recently, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Kentucky Warbler (Vol. 35, No. 4), Kentucky Library Research Collections Nov 1959

Kentucky Warbler (Vol. 35, No. 4), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


Two Waterfowl Rarely Seen In This Area Are Reported, Jessie Maye Smith Nov 1959

Two Waterfowl Rarely Seen In This Area Are Reported, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Bird Watchers Count 86 Species, 7,062 Total, Jessie Maye Smith Oct 1959

Bird Watchers Count 86 Species, 7,062 Total, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Recent Sight Of Flycatcher Is Rare Event, Jessie Maye Smith Oct 1959

Recent Sight Of Flycatcher Is Rare Event, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Goshawk, Visitor From North, Spotted Prowling In Gardens, Jessie Maye Smith Oct 1959

Goshawk, Visitor From North, Spotted Prowling In Gardens, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Birds' Calls Lure Watcher Into Yard, Jessie Maye Smith Oct 1959

Birds' Calls Lure Watcher Into Yard, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Nebraska Bird Review (October 1959) 27(4), Whole Issue. Oct 1959

Nebraska Bird Review (October 1959) 27(4), Whole Issue.

Nebraska Bird Review

Table of Contents

Thirty-Fifth Annual Cooperative Spring Migration and Occurrence Report ............................................................................ 50

Fall Records .............................................................................................. 67

Birding in Kearney "On The Run" .................................................... 69

General Notes ............................................................................................ 73

Index to Volume XXVII........................................................................ 74


Bluebird From West Seen Here, Jessie Maye Smith Sep 1959

Bluebird From West Seen Here, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Turkeys Now Make National Industry, Jessie Maye Smith Sep 1959

Turkeys Now Make National Industry, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Audubon Junior Program Educational, Jessie Maye Smith Sep 1959

Audubon Junior Program Educational, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


A Few Exceptions Birds Settled For Winter, Jessie Maye Smith Sep 1959

A Few Exceptions Birds Settled For Winter, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Osprey Impressive Sight As He Hunts Finny Food, Jessie Maye Smith Aug 1959

Osprey Impressive Sight As He Hunts Finny Food, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Pelicans Attract Inland Attention, Jessie Maye Smith Aug 1959

Pelicans Attract Inland Attention, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Fishing Club Excellent Spot For 'Birder', Jessie Maye Smith Aug 1959

Fishing Club Excellent Spot For 'Birder', Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Observation Of Warblers Is Challenge To Watchers, Jessie Maye Smith Aug 1959

Observation Of Warblers Is Challenge To Watchers, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Kentucky Warbler (Vol. 35, No. 3), Kentucky Library Research Collections Aug 1959

Kentucky Warbler (Vol. 35, No. 3), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


'White-Front' Geese Noticed On City Lake, Jessie Maye Smith Jul 1959

'White-Front' Geese Noticed On City Lake, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Fussy Wrens Flying South Noted In Area, Jessie Maye Smith Jul 1959

Fussy Wrens Flying South Noted In Area, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Growth Measurements Of Holstein, Ayrshire, Guernsey And Jersey Males, H. P. Davis, I. L. Hathaway Jul 1959

Growth Measurements Of Holstein, Ayrshire, Guernsey And Jersey Males, H. P. Davis, I. L. Hathaway

Nebraska Agricultural Experiment Station: Historical Research Bulletins

This study was based on monthly observations of all Holstein, Ayrshire, Guernsey and Jersey males born in the University of Nebraska dairy herd between 1922 and 1942. There were varying numbers of animals for the different months of age for the several breeds. Measurements of weight, slope of the rump, thickness of skin, and 13 linear measurements were taken monthly, from birth to disposal of the animals. The linear measurements were of heights at withers, hooks and rump; of lengths-diagonal (shoulder point to pinbone), body and rump; of widths at chest, hooks and pinbones; of depths at chest and barrel; …


Identification Of Larval Ticks Of The Genus Ixodes Known To Occur In Utah, Leland D. White Jul 1959

Identification Of Larval Ticks Of The Genus Ixodes Known To Occur In Utah, Leland D. White

Theses and Dissertations

The purpose of this study is to present an analysis and key to the larvae of the nine species of Ixodes known to occur in Utah. These are I. kingi, I. muris, I. texanus, I. pacificus, I. spinipalpis, I. marmotae, I. ochotonoe, I angustus, and I. sculptus. Larvae from the first five of these nine species used in this study were reared in the laboratory by worked cited in the secion on Analysis of Species. those of the remaining four were identified on the basis of their presence with identifiable numphal and adult forms. Host specificity, although certainly variable with …


Nebraska Bird Review (July 1959) 27(3), Whole Issue Jul 1959

Nebraska Bird Review (July 1959) 27(3), Whole Issue

Nebraska Bird Review

Table of Contents

Dr. R. Allyn Moser .................................................................................. 34

Dr. R. Allyn Moser's Contribution to Ornithology ........................ 35

1958 Nesting Report ................................................................................ 36

Meetings and Reports ............................................................................ 38

General Notes ............................................................................................ 39

Some Early Records of the Wild Turkey in Nebraska .................... 42

The Distribution of the Western Red-bellied Woodpecker in the Missouri River Valley ........................................................ 43

Excerpts from Letters ............................................................................ 44


Storied Falcon Now Passing Through Area, Jessie Maye Smith Jun 1959

Storied Falcon Now Passing Through Area, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.