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  Partner: UNT Libraries
 Decade: 1940-1949
 Degree Discipline: Biology
 Collection: UNT Theses and Dissertations
The Isolation and Identification of Micro-Organisms from Spoons of Public Eating Establishments in Denton, Texas

The Isolation and Identification of Micro-Organisms from Spoons of Public Eating Establishments in Denton, Texas

Date: 1949
Creator: Rugeley, Sarah Rose
Description: This investigation deals with the isolation and identification of bacteria found on selected samples of spoons in various eating establishments in the vicinity of Denton, Texas.
Contributing Partner: UNT Libraries
The Histological Effects of Injections of Fish Pituitary Extracts on the Testes of Male Frogs, (Rana Pipiens), and the Reproductive System of Immature Mice

The Histological Effects of Injections of Fish Pituitary Extracts on the Testes of Male Frogs, (Rana Pipiens), and the Reproductive System of Immature Mice

Date: 1949
Creator: Robertson, William George
Description: The purpose of this investigation was first, to make a histological and cytological study of the testis of male frogs, Rana pipiens, and to determine if there were tissue or cellular changes as well as physiological effects caused by fish pituitary-extract injections. Second, to determine if injections of fish pituitary extract into immature female white mice caused histological changes in the ovaries and uteri.
Contributing Partner: UNT Libraries
Antibiocity of the Oleoresins of One Hundred Texas Spermatophytes upon Twenty Gram-Positive Bacterial Organisms

Antibiocity of the Oleoresins of One Hundred Texas Spermatophytes upon Twenty Gram-Positive Bacterial Organisms

Date: 1949
Creator: Richardson, Lavon P.
Description: This investigation is concerned with the testing, in vitro, of oleoresins from one hundred higher plants common to North and South Central Texas. The plants used were selected in order to obtain a representative collection which might be of value in future research.
Contributing Partner: UNT Libraries
A Preliminary Investigation of the Effects of Various Fertilizers on Plankton and Fish Production in Small Texas Ponds

A Preliminary Investigation of the Effects of Various Fertilizers on Plankton and Fish Production in Small Texas Ponds

Date: 1945
Creator: Sivells, Howard Carroll
Description: This problem was undertaken to determine a suitable combination of fertilizers that would increase the food in a lake, resulting in increased yield of bass and crappie.
Contributing Partner: UNT Libraries
The Incidence of Escherichia Coli and other Coliform Organisms on Seventy-One Samples of Fresh Fruits and Vegetables Purchased from Eight Grocery Stores in Denton, Texas

The Incidence of Escherichia Coli and other Coliform Organisms on Seventy-One Samples of Fresh Fruits and Vegetables Purchased from Eight Grocery Stores in Denton, Texas

Date: 1945
Creator: Scoggin, Frances Grammar
Description: This investigation has for its aim the explanation of the incidence of colon bacteria on a number of food samples purchased in grocery stores of Denton, Texas, by an analysis of correlative sanitary factors.
Contributing Partner: UNT Libraries
Seasonal Variations in the Microflora of Four Denton County, Texas, Sandy Soils

Seasonal Variations in the Microflora of Four Denton County, Texas, Sandy Soils

Date: 1941
Creator: Emerson, Robert L.
Description: This investigation has been made to see whether there is a correlation between microorganisms present and the water content and temperature of four Denton County, Texas, sandy soils.
Contributing Partner: UNT Libraries
A Determination of the Effects of Various Concentrations of Sodium Chloride upon the Growth of Three Species of Bacteria

A Determination of the Effects of Various Concentrations of Sodium Chloride upon the Growth of Three Species of Bacteria

Date: 1942
Creator: Davis, J. Floyd
Description: The problem in this investigation is to determine the effects of various concentrations of sodium chloride upon the growth of three species of bacteria. An effort has been made to solve this problem, not only by a study of the relevant literature, but also by laboratory research consisting of cultivation and observation of the three organisms which were arbitrarily chosen for this study.
Contributing Partner: UNT Libraries
Food Habit Analysis of the Two Species of Texas Crappie

Food Habit Analysis of the Two Species of Texas Crappie

Date: 1941
Creator: Mitchell Glenn C.
Description: This study is based upon information taken from stomach analysis of 302 black crappie and 561 white crappie; the following data will be presented: 1. Food of adults and fingerlings; 2. Diet variation in relation to food availability; 3. Seasonal variation of feeding habits; 4. Diet variation in relation to size of crappie. Collections were made from ten lakes located in North, East, Central, and South Texas.
Contributing Partner: UNT Libraries
The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L.

The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L.

Date: 1941
Creator: Neal, George C.
Description: This paper deals with certain phases of phototropic properties of two exceptional plants, the pertinent behavior of each being decidedly individualistic and in remarkable contrast to that of herbaceous plants in general. The prickly lettuce, Lactuca ludoviciana (Nutt.) DC. and the rosinweed, Silphium laciniatum L., two common Denton County, Texas, plants, have been selected for this study.
Contributing Partner: UNT Libraries
Seasonal Food Habits of Five Species of Texas Centrarchids

Seasonal Food Habits of Five Species of Texas Centrarchids

Date: 1946
Creator: Sherman, Robert C.
Description: This study is one phase of a research program designed to provide basic information which can be used in the management of East Texas Lakes.
Contributing Partner: UNT Libraries
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