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Thermal ecology of the garter snakes Thamnophis sirtalis concinnus (Hallowell) and Thamnophis ordinoides (Baird & Girard)

Creator:: Stewart, Glenn R.
Abstract:: In recent years, studies dealing with temperature regulation, temperature sensitivity, and physiological responses to temperature in lizards and other reptiles have increased tremendously. It is notable that snakes have been largely ignored in such studies. This no doubt is due to their less direct relationship to ancestral endotherms. However, problems...
Resource Type:: Dissertation
Full Text:: dealing more specifically with the temperature re- sponses of aquatic groups of animals or various kinds

An analysis of a small mammal population census

Creator:: Schamberger, Melvin
Abstract:: During the spring of 1963 and 1964 an investigation of a small mammal community was made in McDonald Forest, near Corvallis, Oregon. The revised North American Census of Small Mammals procedure was used, and from this census the species composition of the community was determined. The relationships of several genera...
Resource Type:: Masters Thesis
Full Text:: the home range of an animal seems to have an important relationship to the relative position of

A study of behavior in the deer mouse Peromyscus maniculatus rubidus Osgood during its 24-hour cycle of activity in a simulated natural habitat

Creator:: Laban, Cornelis
Abstract:: With a growing emphasis on details of behavior comes an increasing need for knowledge of natural behavior patterns. Studies on the life history of Peromyscus maniculatus have long been available in the literature. More recently, investigators have turned to analyzing the behavior of some of the subspecies of P.m. in...
Resource Type:: Dissertation
Full Text:: 3 Ethology 5 Field Studies 7 Animal Behavior 12 OBJECTIVES 19 Problems of Special Interest 20

Aerial and aquatic respiration in the neotenic and transformed Pacific giant salamander, Dicamptodon ensatus (Eschscholtz)

Creator:: Clothier, Glen Warren
Resource Type:: Dissertation
Full Text:: ENSATUS (ESCHSCHOLTZ) Abstract approved: Robert M. Storm Aerial and aquatic respiration of transformed

Investigations on the toxin of Taricha granulosa

Creator:: Brodie, Edmund D.
Abstract:: There are essentially no publications dealing with the skin toxin of Taricha granulosa. This study has undertaken investigations with this toxin in an attempt to determine its potency and its effect on the newt's potential predators. Test solutions were made by macerating a known volume of newt skin in a...
Resource Type:: Masters Thesis
Full Text:: Different Skin Areas and of Aquatic and Terrestrial Adult Newts Action of Taricha granulosa Skin Toxin in

Investigation of the circadian rhythm of locomotion in the rough-skinned newt, Taricha granulosa

Creator:: Briggs, Jeffrey Lawrence
Abstract:: Over 56,000 hours of locomotor activity of Taricha granulosa were recorded using two types of low cylindrical plastic monitoring chambers. This species shows distinct rhythms of activity under normal day-night cycles, shortened day-night cycles, constant darkness (DD) and constant light (LL). The rough-skinned newt is day active and crepuscular. I...
Resource Type:: Dissertation
Full Text:: 6 Actogram of animal 23. 29 7. Actogram of animal 65. 32 8 Actogram of animal 43. 34 9 Actogram

An investigation into the metamorphosis of Dicamptodon ensatus (Eschscholtz)

Creator:: Clothier, Glen Warren
Abstract:: The investigation was conducted from January 1965 to March 1966. An intensive effort was made to obtain large numbers of animals, as it is believed that unavailability of specimens has been the limiting factor in the amount of research concerning this species. Two hundred and sixty-nine animals were collected. They...
Resource Type:: Masters Thesis
Full Text:: from the glands of Taricha granulosa and Rana pipiens. One animal received pituitary homogenate

Variations in salinity tolerance in the Pacific Treefrog, Hyla regilla, in Oregon

Creator:: Roberts, James Oliver
Abstract:: Eggs, larvae and adults of the four subspecies of Hy la regilla occurring in Oregon as given by Jameson, Mackey and Richmond (1966) were collected and subjected to salt stress in a series of graded seawaters. It was found that in all cases adults were more tolerant than larvae and...
Resource Type:: Dissertation
Full Text:: load an animal in an aquatic situation, but that in a dry situation fluid is taken from the rest of

Orientation and navigation in the rough-skinned newt, Taricha granulosa

Creator:: Darrow, Thomas D.
Abstract:: In the field of herpetology, most studies of homing have been carried out with anurans and, to a lesser degree, reptiles. Studies of orientation and navigation in urodeles have been limited to a few brief notes and the extensive investigation of Taricha rivularis by Twitty (1959 and 1964). The rough-skinned...
Resource Type:: Dissertation
Full Text:: in good health. Newts were collected from three different ponds which for the sake of simplicity

Food habits of the Pacific mountain beaver, Aplodontia rufa pacifica Merriam

Creator:: Voth, Elver Howard, 1923-
Resource Type:: Dissertation
Full Text:: 26 Limits of the Study 26 Site Selection 27 Animal Project 34 Trapping Program 34 Population

ScholarsArchive@OSU

Thermal ecology of the garter snakes Thamnophis sirtalis concinnus (Hallowell) and Thamnophis ordinoides (Baird & Girard)

An analysis of a small mammal population census

A study of behavior in the deer mouse Peromyscus maniculatus rubidus Osgood during its 24-hour cycle of activity in a simulated natural habitat

Aerial and aquatic respiration in the neotenic and transformed Pacific giant salamander, Dicamptodon ensatus (Eschscholtz)

Investigations on the toxin of Taricha granulosa

Investigation of the circadian rhythm of locomotion in the rough-skinned newt, Taricha granulosa

An investigation into the metamorphosis of Dicamptodon ensatus (Eschscholtz)

Variations in salinity tolerance in the Pacific Treefrog, Hyla regilla, in Oregon

Orientation and navigation in the rough-skinned newt, Taricha granulosa

Food habits of the Pacific mountain beaver, Aplodontia rufa pacifica Merriam

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