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 103471 - 103500 of 104919

Full-Text Articles in Entire DC Network

A Curriculum Study Of The Biological Science Courses In The Secondary Schools And College Of Utah During 1947-48, Merrill H. Gunnell May 1948

A Curriculum Study Of The Biological Science Courses In The Secondary Schools And College Of Utah During 1947-48, Merrill H. Gunnell

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

At the present time there is a feeling among biologists in Utah that there should be improvement in biological science courses and course sequence to better fill the needs of the non technical student. There are many students filling group requirements with an accumulation of courses which may not provide them with the more important fundamental concepts and principles in biology. Information concerning these courses in high schools and colleges in necessary to provide a basis for curriculum revision in the field. Such information should be useful in evaluating the present system and suggesting modifications. Because of the need for …


Studies On The Parasitic Helminths Of The North Central States. I. Helminths Of Sciurida, Robert L. Rausch, Jack Tiner May 1948

Studies On The Parasitic Helminths Of The North Central States. I. Helminths Of Sciurida, Robert L. Rausch, Jack Tiner

Harold W. Manter Laboratory of Parasitology: Faculty Publications

It is accepted that a fair degree of completeness is being achieved in our knowledge of North American mammals and birds. It can be assumed that nearly all the described species of the higher vertebrates are parasitized by helminths, but many of these helminths probably remain undescribed, and little is known of their geographical distribution. Very little information is available on the incidence of the parasites, or their effect on the host.


The Sixtieth Session Of The Iowa Academy Of Science And The Fifteenth Convention Of The Junior Academy Of Science Of Iowa, April 16 And 17, 1948, Iowa Academy Of Science Apr 1948

The Sixtieth Session Of The Iowa Academy Of Science And The Fifteenth Convention Of The Junior Academy Of Science Of Iowa, April 16 And 17, 1948, Iowa Academy Of Science

Iowa Academy of Science Documents

No abstract provided.


Abstract Papers Apr 1948

Abstract Papers

Journal of the Minnesota Academy of Science

No abstract provided.


Abstract Papers Apr 1948

Abstract Papers

Journal of the Minnesota Academy of Science

No abstract provided.


Abstract Papers Apr 1948

Abstract Papers

Journal of the Minnesota Academy of Science

No abstract provided.


The Psychotherapeutic Management Of Functional Disease, Harrison S. Evans Apr 1948

The Psychotherapeutic Management Of Functional Disease, Harrison S. Evans

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Medical Arts & Sciences, Volume 2, Number 2, April 1948 Apr 1948

Medical Arts & Sciences, Volume 2, Number 2, April 1948

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Cerebral Anoxia And Its Residuals: Iv. The Asphyxial Syndromes - Acute, Subacute, And Chronic, Cyril B. Courville Apr 1948

Cerebral Anoxia And Its Residuals: Iv. The Asphyxial Syndromes - Acute, Subacute, And Chronic, Cyril B. Courville

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


A Case Of Malpositioned And Maldeveloped Kidney, I R. Bazliel Apr 1948

A Case Of Malpositioned And Maldeveloped Kidney, I R. Bazliel

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Bulletin No. 330 - Peach Orchard Soil Mangement Studies, A. L. Stark, D. W. Thorne Feb 1948

Bulletin No. 330 - Peach Orchard Soil Mangement Studies, A. L. Stark, D. W. Thorne

UAES Bulletins

Peaches are the most important fruit crop in Utah. The total number of peach trees is greater and the volume of fruit produced for market is larger than of any other fruit. Most of the peaches are produced by a large number of growers who have small plantings. These small orchards contribute substantially to the total income of the growers and it is, therefore, important that maximum yields of high quality fruit be obtained from limited acreage.

A survey of the fruit production problems in Utah reported in 1938 (13) indicated that poor soil management practices were important in contributing …


Botanizing With "Marcus E. Jones, A.M." In Texas, V. L. Cory Jan 1948

Botanizing With "Marcus E. Jones, A.M." In Texas, V. L. Cory

Field and Laboratory

Prior to the printing of my paper, "A new Loco from the Edwards Plateau of Texas" (Rhodora, vol. 32, January, 1930), possibly because he had published a revision of the genus Astragalus, I began a correspondence with Marcus E. Jones. He drove from Claremont, California, in the spring of 1930, to visit me at the Experiment Station thirty miles southeast of Sonora, Texas, on the Edwards Plateau. In his Contributions to Western Botany No. 17 (September 3, 1930), Jones does not mention meeting me in Texas; but on page 21 he does mention my name in dedicating a new species …


Bulletin No. 329 - Cost And Efficiency Of Producing Sugar Beets In Utah, 1945, Ernest M. Morrison Jan 1948

Bulletin No. 329 - Cost And Efficiency Of Producing Sugar Beets In Utah, 1945, Ernest M. Morrison

UAES Bulletins

Early in the history of Utah the pioneers became interested in sugar-beet production. In 1852 John Taylor, Elias Morris and others, under the direction of Brigham Young, obtained machinery from France for refining beet sugar, transported it across the Atlantic Ocean by boat, up the Mississippi River to Fort Leavenworth, and thence across the plains to Utah by ox teams. The factory was established in what is now known as Sugar House in the southeastern part of Salt Lake City. These initial efforts proved to be unsuccessful primarily because the "open kettle" method employed was never satisfactory.

Not until 1891 …


Bulletin No. 332 - Cost And Efficiency Of Celery Production In Box Elder And Utah Counties In 1945 And 1947, Earnest M. Morrison Jan 1948

Bulletin No. 332 - Cost And Efficiency Of Celery Production In Box Elder And Utah Counties In 1945 And 1947, Earnest M. Morrison

UAES Bulletins

The production of celery by farmers in Utah has undergone important changes in the past five or six years. The most notable have been centered around the introduction of the new green type (Pascal) celery. The methods of production have advanced rapidly, the quality of the product has been greatly improved, the yield per acre has been increased at least twofold, and the acreage has been expanded.

With the growing impetus of the industry have come requests for information on cost and return to the farmer and for an analysis of other economic and physical factors associated with the industry. …


Agricultural Research In South Dakota: Sixty-First Annual Station Report, July 1, 1947 - June 30, 1948, South Dakota State College Of Agriculture And Mechanic Arts Jan 1948

Agricultural Research In South Dakota: Sixty-First Annual Station Report, July 1, 1947 - June 30, 1948, South Dakota State College Of Agriculture And Mechanic Arts

Agricultural Experiment Station and Research Farm Annual Reports

No abstract provided.


A New Sciurid Of Blancan Age From Kansas And Nebraska, Claude W. Hibbard Jan 1948

A New Sciurid Of Blancan Age From Kansas And Nebraska, Claude W. Hibbard

Bulletin of the University of Nebraska State Museum (1924–2023)

The collecting of vetebrate fossils from deposits of Blancan age in Kansas, Nebraska, and Texas during the past twelve years has revealed many interesting forms. Some species have been found to have wide geographic distribution. A large sciurid related to the woodchucks has been recognized from both Kansas and Nebraska and is here described as a new genus and species.


Annual Report: 1948 Jan 1948

Annual Report: 1948

Cherry County (Nebraska) Extension: Historical Documents

Educational program of extension work was supported entirely from County Tax funds. The Budget for the coming year was raised to $3,475 from last years budget of $2975. This was very much appreciated, as it will allow a more complete extension service program. This is $25.00 under the $3500 calling allowed by the new bill L. B. 405

The annual meeting was attended by 164 people. The program which was held in the new 4-H building and at the experimental Station, consisted of a business session, four talks on current livestock problems, and a morning and afternoon session of witnessing …


Mima Mounds: A Reply, Victor B. Scheffer Jan 1948

Mima Mounds: A Reply, Victor B. Scheffer

United States Fish and Wildlife Service: Publications

Major Grant believes that gophers behave in one way, and we believe that they behave in another-or we admit that we do not know exactly how they behave. I have plainly stated (1947, PP. 293, 294) that our evidence is indirect; that we have not seen gophers building a giant mound; that we do not know whether mound building is a contemporary or a historic process; and that we do not know whether the stimulus for mound building is a hardpan or a high water table or both.

Our main contentions are that mounds of the Mima type occur only …


Chemical Utilization Of Aspen, Geo J. Ritter, Ralph L. Hossfeld Dec 1947

Chemical Utilization Of Aspen, Geo J. Ritter, Ralph L. Hossfeld

Aspen Bibliography

Chemical utilization of raw materials depends largely on the chemical composition and the chemical and physical properties of the raw materials under consideration. The utilization of wood is no exception to this principle. Thus, a wood having a low percentage of cellulose is uneconomical as a source of wood sugar or pulp for paper; and one of an excessively knotty character is undesirable for chemical conversion Woods having several undesirable characteristics generally fall within the classification of species little used for the purpose. Fortunate! aspen falls outside this class.


Aspen Lumber For Building Purposes, Louis W. Rees Dec 1947

Aspen Lumber For Building Purposes, Louis W. Rees

Aspen Bibliography

Recent shortages of lumber for building purposes make it desirable to seek out all possible supplies of additional lumber. Aspen, according to a study made in northern Minnesota during 1944, 1/ may be a source of lumber largely untapped. The results of that study are the main basis of this paper.


A Preliminary Study Of A Physical Basis Of Bird Navigation, Henry L. Yeagley Dec 1947

A Preliminary Study Of A Physical Basis Of Bird Navigation, Henry L. Yeagley

Papers in Ornithology

The bird navigation theory as presented implies an organ or organs in the bird's physiology which are sensitive to the effect of its motion through the vertical component of the earth's magnetic field and to the effort exerted to overcome the coriolis force, due to the earth's rotation. Both these influences involve a set of lines which together form a navigational gridwork. By correlating its instantaneous land speed with the two above effects, a bird can fly to its home which is a unique point in this gridwork, or to related companion points existing in the gridwork at positions other …


Machining And Related Properties Of Aspen, Edward M. Davis Nov 1947

Machining And Related Properties Of Aspen, Edward M. Davis

Aspen Bibliography

Aspen occupies 20 million acres of Lake States timber land, or 39 percent of the total forest area. In 1945 there were 6 1/3 billion feet of aspen saw timber 9 inches d.b.h. and larger, and a larger cubic volume of smaller material. The cut of aspen lumber was 152 million board feet in 1946, and the forest could sustain a much larger annual cut.


Medical Arts & Sciences, Volume 1, Number 3, October 1947 Oct 1947

Medical Arts & Sciences, Volume 1, Number 3, October 1947

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Cerebral Anoxia And Its Residuals: Pt. Iii. The Structural Changes, Cyril B. Courville Oct 1947

Cerebral Anoxia And Its Residuals: Pt. Iii. The Structural Changes, Cyril B. Courville

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Effects Of Mowing Frequency On The Yield And Protein Content Of Several Grasses Grown In Pure Stands, L. C. Newell, F. D. Keim Sep 1947

Effects Of Mowing Frequency On The Yield And Protein Content Of Several Grasses Grown In Pure Stands, L. C. Newell, F. D. Keim

Nebraska Agricultural Experiment Station: Historical Research Bulletins

This paper presents results of a five-year experiment conducted at the Agricultural Experiment Station, Lincoln, Nebraska, on the adaptation, yield, and quality of several grasses subjected to different frequencies of harvest as a means of determining their forage value.


Aspen For Core Stock, Arlie W. Toole Sep 1947

Aspen For Core Stock, Arlie W. Toole

Aspen Bibliography

During recent years, aspen has been used in the Lake States region for a number of products. The war years in particular showed a marked increase in the use of aspen for pulpwood, box lumber, and many other wood products. The annual cut of aspen lumber in the region increased from approximately 67 million board feet in 1941 to 152 million board feet in 1946. In spite of this increased use, aspen still remains the only major tree species in the Lake States in which annual growth exceeds annual drain. It represents the major forest resource in this region that …


An Analytic Comparative Study Of Certain Biology Textbooks Used At Secondary School Level, Joseph E. Rankin Jul 1947

An Analytic Comparative Study Of Certain Biology Textbooks Used At Secondary School Level, Joseph E. Rankin

Master's Theses or Doctor of Nursing Practice

Biology is the science of life and therefore deserves every consideration in the high school curriculum. The world today is making an extensive and intelligent use of biology in solving problems of personal and social significance. Scientists have discovered that certain phases of the subject are more important to man's welfare than others. For this reason it is essential that biology be presented to our high school students not as isolated facts, but in relation to the problem of living. Through this science of living things, the student can gain a healthy respect for facts and for conclusions based on …


Comparison Of Biotic Communities Of The Cedar-Hemlock And Oak-Hickory Associations, Final Version, Jane Claire Dirks-Edmunds Jul 1947

Comparison Of Biotic Communities Of The Cedar-Hemlock And Oak-Hickory Associations, Final Version, Jane Claire Dirks-Edmunds

Jane Claire Dirks-Edmunds Documents

A revised version of the final draft of Dr. Jane Claire Dirks-Edmunds's doctoral dissertation was published in Ecological Monographs in 1947. In her dissertation, Dirks-Edmunds compared the Douglas fir forest community on Saddleback Mountain in Oregon to an oak-hickory community in Illinois. Dirks-Edmunds, a 1937 graduate of Linfield College, graduated from the University of Illinois in 1941; she returned to teach in the Biology department at Linfield from 1941-1974.


The Respiratory Rhythm In Nervous Disorders, Clarence W. Olsen Jul 1947

The Respiratory Rhythm In Nervous Disorders, Clarence W. Olsen

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.


Medical Arts & Sciences, Volume 1, Number 2, July 1947 Jul 1947

Medical Arts & Sciences, Volume 1, Number 2, July 1947

Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists

No abstract provided.