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Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred Jun 1966

Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Ionic And Osmotic Effects On Growth, Transpiration, And Osmotic Pressure Of Salt Tolerant Plants, Don L. Chadwick May 1966

Ionic And Osmotic Effects On Growth, Transpiration, And Osmotic Pressure Of Salt Tolerant Plants, Don L. Chadwick

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Salt tolerant plants have been the subject of considerable interest and study by scientists of arid regions. Ability of these plants to survive and grow in saline habitats has been attributed to such characteristics as: development of high osmotic pressures to counteract the soil moisture stresses, ability to utilize waters of high salinity, and possession of a protoplasm resistant to toxic ion accumulation.


Gonadotropic Hormone Activity In Blood And Placental Tissue Of The Bovine Early In Gestation, John E. Lunnen May 1966

Gonadotropic Hormone Activity In Blood And Placental Tissue Of The Bovine Early In Gestation, John E. Lunnen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Certain mammalian species have been shown to secrete extra-pituitary gonadotropins. In humans the chorionic cells of the placenta secrete a gonadotropin and in pregnant mares such a hormone is secreted by the endometrial cups. Gonadotropins of placental origin have also been observed in the rat.


The Piezoelectric Effect Of Bone In Vitro, Lloyd E. Gauntt Jun 1965

The Piezoelectric Effect Of Bone In Vitro, Lloyd E. Gauntt

Loma Linda University Electronic Theses, Dissertations & Projects

The mechanism of bone deposition and resorption, under stress, is incompletely understood. The direct piezoelectric properties of bone have been suggested as playing an active role in the internal morphology of bone tissue.

This study was designed to fabricate an apparatus and develop a technique to measure, quantitatively, the direct piezoelectric effect of the crystallites of bone.

In vitro studies were done with bone samples taken from bovine femur. The samples were subjected to stress loading and were observed to exhibit a pressure-induced electrical phenomenon. The amplitude of the potentials generated was dependent upon the magnitude of the bony deformation. …


Front Matter, Vol. 7 No. 1 May 1965

Front Matter, Vol. 7 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner May 1965

A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

This paper constitutes a terminal report to the United States Atomic Energy Commission for contract AT(11-1)819. It provides not only a faunistic and floristic study of areas having a high and low surface radiation, but also includes a consideration of their general ecology. Major emphasis is placed on the variation of the external characteristics of the small vertebrates of these areas with a statistical analysis of those characters examined in the lizards. The study was conducted in southeastern Utah (Tanner 1963, see map) from October 1959 through 1964, and was conducted as a test of the variation effects of natural …


End Matter, Vol. 7 No. 1 May 1965

End Matter, Vol. 7 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Chlorophyll, Cartenoid And Protein Metabolism In Relation To Iron Chlorosis, Antaraguttu Subbayya Shetty May 1965

Chlorophyll, Cartenoid And Protein Metabolism In Relation To Iron Chlorosis, Antaraguttu Subbayya Shetty

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Iron as an essential element has been known since 1843, when Gris proved its need for the growth and well being of plants. Since then, many investigations have been carried out on various aspects of iron nutrition, leading to the accumulation of a vast literature, a monument to the assiduity of the chemists and the biologists.


Front Matter, Vol. 6 No. 4 Mar 1965

Front Matter, Vol. 6 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Scorpions Of The Nevada Test Site, Willis J. Gertsch, Dorald M. Allred Mar 1965

Scorpions Of The Nevada Test Site, Willis J. Gertsch, Dorald M. Allred

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 6 No. 3 Mar 1965

Front Matter, Vol. 6 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Mammals Of The Nevada Test Site, Clive D. Jorgensen, C. Lynn Hayward Mar 1965

Mammals Of The Nevada Test Site, Clive D. Jorgensen, C. Lynn Hayward

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 6 No. 4 Mar 1965

End Matter, Vol. 6 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 6 No. 3 Mar 1965

End Matter, Vol. 6 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 5 No. 4 Feb 1965

Front Matter, Vol. 5 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 6 No. 2 Feb 1965

End Matter, Vol. 6 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 6 No. 2 Feb 1965

Front Matter, Vol. 6 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Observations On The Biology, Anatomy, And Morphology Of Otobius Lagophilus Cooley And Kohls, C. Selby Herring, D Elden Beck Feb 1965

Observations On The Biology, Anatomy, And Morphology Of Otobius Lagophilus Cooley And Kohls, C. Selby Herring, D Elden Beck

Brigham Young University Science Bulletin, Biological Series

The principal objective of this study is to bring up to date information on geographic distribution, seasonal occurrence, and host-parasite relationship of O. lagophilus in western North America. Notes on life history and disease transmission potential are included.

Data and information were obtained from three sources: (1) natural history collections and field records at Brigham Young University over the past twenty years; (2) the Rocky Mountain Laboratory in Hamilton, Montana; and (3) published literature.

All available collection records are presented in a table from which information on geographic distribution, seasonal occurrence, and host-parasite relationship was extracted. O. lagophilus is known …


End Matter, Vol. 5 No. 4 Feb 1965

End Matter, Vol. 5 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 6 No. 1 Feb 1965

End Matter, Vol. 6 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Identification Of The Adults, Nymphs And Larvae Of Ticks Of The Genus Dermacentor Koch (Ixodidae) In The Western United States, E. P. Brinton, D E. Beck, D. M. Allred Feb 1965

Identification Of The Adults, Nymphs And Larvae Of Ticks Of The Genus Dermacentor Koch (Ixodidae) In The Western United States, E. P. Brinton, D E. Beck, D. M. Allred

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Tenebrionidae Beetles Of The Nevada Test Site, Vasco M. Tanner, Willis A. Packham Feb 1965

Tenebrionidae Beetles Of The Nevada Test Site, Vasco M. Tanner, Willis A. Packham

Brigham Young University Science Bulletin, Biological Series

The intent of this study conducted over a period of three years was to ( 1 ) provide descriptions of the species of tenebrionids found at the Nevada Test Site, (2) determine their relative abundance, (3) determine their seasonal activity, and (4) ascertain their plant community relationships.

A total of 14,650 beetles representing 46 kinds of tenebrionids was collected with sunken can traps, by hand, and ultra-violet light. Collections were made at regular intervals in the following plant communities: Larrea-Franseria, Lycium, Atriplex-Kochia, Grayia-Lycium (disturbed and undisturbed areas), Salsola, Coleogyne, Pinyon-Juniper, and Mixed.

The data obtained from this study indicate that …


Front Matter, Vol. 6 No. 1 Feb 1965

Front Matter, Vol. 6 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Damage Caused By Hormone-Like Herbicides, G R W Meadly Jan 1965

Damage Caused By Hormone-Like Herbicides, G R W Meadly

Journal of the Department of Agriculture, Western Australia, Series 4

THE discovery of the selective action of herbicides such as 2,4-D and MCPA resulted in a rapid expansion in the use of these chemicals for agricultural purposes, particularly for the control of weeds in cereal crops.


Fatique In Caged Layers, P Smetana Jan 1965

Fatique In Caged Layers, P Smetana

Journal of the Department of Agriculture, Western Australia, Series 4

Pullets found immobilised on the floors of their laying cages may only be suffering from the easily-treated "cage layer fatigue" and should be checked for this before being disposed of as affected with the incurable fowl paralysis.


Clover Disease Of Sheep In Western Australia, A B. Beck, M. R. Gardiner Jan 1965

Clover Disease Of Sheep In Western Australia, A B. Beck, M. R. Gardiner

Journal of the Department of Agriculture, Western Australia, Series 4

DURING the past five years there has been a marked increase in the incidence of breeding abnormalities of sheep associated with the grazing of subterranean clover pastures.

This complex of diseases first became a major problem in Western Australia in the years following 1940 and eventually became known as "clover disease".


Front Matter, Vol. 5 No. 3 Dec 1964

Front Matter, Vol. 5 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 5 No. 3 Dec 1964

End Matter, Vol. 5 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


The Osteology And Myology Of The Head And Thorax Regions Of The Obesus Group Of The Genus Sauromalus Dumeril (Iguanidae), David F. Avery, Wilmer W. Tanner Dec 1964

The Osteology And Myology Of The Head And Thorax Regions Of The Obesus Group Of The Genus Sauromalus Dumeril (Iguanidae), David F. Avery, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 4 No. 3 Sep 1964

End Matter, Vol. 4 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.