Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Life Sciences

Institution
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 244441 - 244470 of 255779

Full-Text Articles in Entire DC Network

State Livestock Judging Contest Rating By Individuals, New Farmers Of America Jan 1959

State Livestock Judging Contest Rating By Individuals, New Farmers Of America

Documents

Ratings of individual competitors in the state livestock judging contest.


The Louisiana Forest Industry: Its Economic Importance And Growth, Floyd L. Corty Jan 1959

The Louisiana Forest Industry: Its Economic Importance And Growth, Floyd L. Corty

LSU Agricultural Experiment Station Reports

No abstract provided.


The Effects Of Anticholinergic Drugs On Sea Anemones, Kenneth Robert Shortridge Jan 1959

The Effects Of Anticholinergic Drugs On Sea Anemones, Kenneth Robert Shortridge

University of the Pacific Theses and Dissertations

The first proof of the chemical mediation of nerve impulses by the peripheral release of specific chemicals was made by Loewi (1921). He demonstrated that during stimulation of the vagus nerve leading to an excised frog’s heart (Figure 1) a chemical mediator that he called Vagus-substance was released which slowed the action of the heart. This chemical mediator entered a perfusion fluid consisting of isotonic sodium chloride which was pumped out of the ventricle of the heart and diverted so as to drip onto a second frog's heart. The dripping perfusion medium slowed the pulsation of the second heart upon …


Louisiana Agriculture Magazine, Winter 1959, Lsu Agricultural Experiment Station Jan 1959

Louisiana Agriculture Magazine, Winter 1959, Lsu Agricultural Experiment Station

Louisiana Agriculture

No abstract provided.


Regenerating Aspen By Suckering In The Southwest, Merylyn M. Larson Jan 1959

Regenerating Aspen By Suckering In The Southwest, Merylyn M. Larson

Aspen Bibliography

Although seeding is necessary for the spread of aspen into new localities, suckering (sprouting from adventitious buds on the roots) is the chief means of reproduction in established stands. Suckering can usually be induced by reducing or eliminating the aspen overstory. 2


Debarking Bigtooth Aspen With 2,4-D Amine Salt, R.E. Lohrey Jan 1959

Debarking Bigtooth Aspen With 2,4-D Amine Salt, R.E. Lohrey

Aspen Bibliography

No abstract provided.


Growth Of Alberta White Spruce After Release From Aspen Competition, L. A. Smithers, G Ontkean Jan 1959

Growth Of Alberta White Spruce After Release From Aspen Competition, L. A. Smithers, G Ontkean

Aspen Bibliography

At the present time spruce sawtimber is the most important single commodity produced from the forests of Alberta.


Observations On The Biology Of Pelomyxa Palustris Greeff, Collected Under Polysaprobic Conditions, Daniel Henry Stern Jan 1959

Observations On The Biology Of Pelomyxa Palustris Greeff, Collected Under Polysaprobic Conditions, Daniel Henry Stern

Master's Theses

Pelomyxa palustris Greeff, the largest rhizopod of which we have knowledge, was described in 1870 by Greeff who named the organism Pelobius. According to Penard (1902) it was redescribed by Archer in 1871 and reviewed. by Greeff (1874) who then gave it the name P. palustris.


Agricultural Research In South Dakota: Seventy-Second Annual Report: July 1, 1958 - June 30, 1959, South Dakota State College Jan 1959

Agricultural Research In South Dakota: Seventy-Second Annual Report: July 1, 1958 - June 30, 1959, South Dakota State College

Agricultural Experiment Station and Research Farm Annual Reports

No abstract provided.


The Waterfowl Councils A Conservation Partnership Jan 1959

The Waterfowl Councils A Conservation Partnership

United States Fish and Wildlife Service: Publications

What is a Waterfowl Council?

It's doubtful if many duck hunters know the answer to that question. Yet these Councils are responsible for the planning of many programs that will influence the kind of duck hunting these same sportsmen will have in the future.

Because the activities of the Waterfowl Councils do mean so much to so many people--not only to duck hunters but to the millions of people who get their fun just watching the birds-this circular has been prepared to tell the Council story. Its purpose is to explain the basic waterfowl problem and the current approach to …


Air Photographs For Your Teaching, Gerald Ahlquist Jan 1959

Air Photographs For Your Teaching, Gerald Ahlquist

Journal of the Minnesota Academy of Science

No abstract provided.


A Pollen Diagram From The Site Of Glacial Lake Aitkin, John H. Mcandrews Jan 1959

A Pollen Diagram From The Site Of Glacial Lake Aitkin, John H. Mcandrews

Journal of the Minnesota Academy of Science

No abstract provided.


Studies Of The Kinetochore In Eleocharis Macrostachya Britt., James V. Bernardini Jan 1959

Studies Of The Kinetochore In Eleocharis Macrostachya Britt., James V. Bernardini

Journal of the Minnesota Academy of Science

No abstract provided.


The Control Pollination Of Slash Pine, James T. Greene Jan 1959

The Control Pollination Of Slash Pine, James T. Greene

Journal of the Minnesota Academy of Science

No abstract provided.


The Effect Of Gibberellic Acid On Water Loss By Bean Plants, Theodore W. Sudia, A. J. Linck Jan 1959

The Effect Of Gibberellic Acid On Water Loss By Bean Plants, Theodore W. Sudia, A. J. Linck

Journal of the Minnesota Academy of Science

No abstract provided.


Susceptibility To Ouabain And Physiologic Circadian Periodicity, Franz Halberg, Aubrey N. Stephens Jan 1959

Susceptibility To Ouabain And Physiologic Circadian Periodicity, Franz Halberg, Aubrey N. Stephens

Journal of the Minnesota Academy of Science

No abstract provided.


A Simplified Key To The Leeches Of Minnesota, M. M. Keith Jan 1959

A Simplified Key To The Leeches Of Minnesota, M. M. Keith

Journal of the Minnesota Academy of Science

No abstract provided.


Aquatic Fauna Of Fish Lake, Cedar Creek Forest, Anoka County, Minnesota, Betty Norbeck Jan 1959

Aquatic Fauna Of Fish Lake, Cedar Creek Forest, Anoka County, Minnesota, Betty Norbeck

Journal of the Minnesota Academy of Science

No abstract provided.


Number Of Campers, And Total Amount Collected At Camp, Summer 1959, New Farmers Of America Jan 1959

Number Of Campers, And Total Amount Collected At Camp, Summer 1959, New Farmers Of America

Documents

The number of campers who had attended Simmons NFA Camp, and the amount of funds raised.


Chapter Program Of Work, New Farmers Of America Jan 1959

Chapter Program Of Work, New Farmers Of America

Documents

Chapter program of work for an NFA chapter.


Aboriginal Man And White Man As Historical Causes Of Fires In The Boreal Forest, With Particular Reference To Alaska, Harold J. Lutz Jan 1959

Aboriginal Man And White Man As Historical Causes Of Fires In The Boreal Forest, With Particular Reference To Alaska, Harold J. Lutz

Yale School of the Environment Bulletin Series

No abstract provided.


Influence Of Exposure On Woody Vegetation On The Allen Soils Of The Boston Mountain Region Of Northwest Arkansas, M. Dean Harper, E. Moye Rutledge Jan 1959

Influence Of Exposure On Woody Vegetation On The Allen Soils Of The Boston Mountain Region Of Northwest Arkansas, M. Dean Harper, E. Moye Rutledge

Journal of the Arkansas Academy of Science

No abstract provided.


Three-Year Creel Census Of Lake Catherine, Lake Hamilton, And Lake Ouachita, Arkansas, James H. Stevenson, Clinton Richards Jan 1959

Three-Year Creel Census Of Lake Catherine, Lake Hamilton, And Lake Ouachita, Arkansas, James H. Stevenson, Clinton Richards

Journal of the Arkansas Academy of Science

No abstract provided.


Flora Of Izard County, Albert Robinson Jr. Jan 1959

Flora Of Izard County, Albert Robinson Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Inventory In 1957 Of The Distribution Of The Wild Turkey (Meleagris Gallopavo Silvestris Vieillot) In The Ozark Plateau Region Of Arkansas, Douglas A. James, John R. Preston Jan 1959

Inventory In 1957 Of The Distribution Of The Wild Turkey (Meleagris Gallopavo Silvestris Vieillot) In The Ozark Plateau Region Of Arkansas, Douglas A. James, John R. Preston

Journal of the Arkansas Academy of Science

No abstract provided.


The Ecological Relationship Between The Occurrence Of Squirrel Leaf-Nests In Different Types Of Oak Forest Habitats, Ned E. Fogle, Chad L. Fogle Jan 1959

The Ecological Relationship Between The Occurrence Of Squirrel Leaf-Nests In Different Types Of Oak Forest Habitats, Ned E. Fogle, Chad L. Fogle

Journal of the Arkansas Academy of Science

No abstract provided.


Preliminary Report Of Standing Crop And Rates Of Harvest In Lake Fort Smith, Arkansas:1957 Through 1958, Charles F. Cole, Samuel L. Finkelstein Jan 1959

Preliminary Report Of Standing Crop And Rates Of Harvest In Lake Fort Smith, Arkansas:1957 Through 1958, Charles F. Cole, Samuel L. Finkelstein

Journal of the Arkansas Academy of Science

No abstract provided.


Harry Scott Smith, Biological Control: Riverside (1883-1957): University Of California: In Memoriam, 1959, A. M. Boyce, H. Compere, R. Van Den Bosch Jan 1959

Harry Scott Smith, Biological Control: Riverside (1883-1957): University Of California: In Memoriam, 1959, A. M. Boyce, H. Compere, R. Van Den Bosch

Department of Entomology: Faculty Publications

Harry Smith was born at Aurora, Nebraska, November 29, 1883. He was brought up as a farm boy and experienced all the rigors of life on a prairie farm in the latter part of the nineteenth century. The hours of work in the fields, from dawn to dusk, made an indelible impression. Admittedly, he escaped from “haying” and “tending hogs” by enrolling in the State University at Lincoln, where he worked his way by waiting on tables at fifteen cents an hour. There he was granted his A.B. degree in 1907 and his M.S. degree in 1908. Insects became his …


Variability In The Electrophoretic Patterns Of Avian Serum Proteins, Charles G. Sibley, Paul A. Johnsgard Jan 1959

Variability In The Electrophoretic Patterns Of Avian Serum Proteins, Charles G. Sibley, Paul A. Johnsgard

Papers in Ornithology

It has been known for more than 50 years that particular proteins characterize every species of plant and animal and that phylogenetic relationships are reflected in protein structure. The first application of this fact to taxonomic studies was by Nuttall ( 1901; 1904) who used the precipitin reaction of immune sera to test degrees of relationship in over 500 species of animals. With refinements in technique have come many more serological studies and the results have justified the statement by Landsteiner (1945) that “chemical differences parallel the variation in structure” and hence are useful in classification.


Biometric Comparisons Between North American And European Mammals. I. A Comparison Between Alaskan And Fennoscandian Wolverine (Gulo Gulo Linnaeus), Björn Kurtén, Robert L. Rausch Jan 1959

Biometric Comparisons Between North American And European Mammals. I. A Comparison Between Alaskan And Fennoscandian Wolverine (Gulo Gulo Linnaeus), Björn Kurtén, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty Publications

A comparison between the Alaskan and Fennoscandian wolverine (Gulo gulo Linnaeus).