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  Partner: UNT Libraries
 Decade: 1930-1939
 Degree Discipline: [Biology]
 Collection: UNT Theses and Dissertations
Bacterial Survey of Representative Denton County Wells with Special Reference to Sanitation

Bacterial Survey of Representative Denton County Wells with Special Reference to Sanitation

Date: June 1937
Creator: Roberts, Sally Stevens
Description: This thesis aimed to study the seventy-two representative wells of Denton County and to determine the possibilities of infection with typhoid organism. The sanitary survey and the test for Colon-Aerogenes bacteria show that 55% of the 72 wells studied are unsanitary, 27% are sanitary, and 18% are doubtful.
Contributing Partner: UNT Libraries
A Comparative Study of the Bottom Fauna of four Texas Lakes

A Comparative Study of the Bottom Fauna of four Texas Lakes

Date: August 1938
Creator: Lamb, Leonard D.
Description: This thesis attempted to study the bottom productivity both qualitatively and quantitatively with reference to the distribution of bonthos. The study of the bottom fauna in large reservior lakes is a relatively new field. This work will give more information on an unknown field than previously existed, although its scope is not intend to be exhaustive.
Contributing Partner: UNT Libraries
Correlation of Humus and Water Content on Saba Clay, Denton, Texas

Correlation of Humus and Water Content on Saba Clay, Denton, Texas

Date: August 1938
Creator: Wilson, Clyde Byron
Description: This study is an attempt to determine the relationship between humus and the water found in it and how both effect soil in Denton county, Texas.
Contributing Partner: UNT Libraries
A Correlation of Humus with Water Content and Crop Rotation in San Saba and Denton Clays, Denton County, Texas

A Correlation of Humus with Water Content and Crop Rotation in San Saba and Denton Clays, Denton County, Texas

Date: August 1939
Creator: Culwell, John Walton
Description: A study of the humus content and the water content of San Saba clay and Denton clay. Studies show that the physical properties of soil are conducive to moisture retention and the availability of moisture to plants.
Contributing Partner: UNT Libraries
A correlation of the Edaphic Factors with the Vegetation of the Woodbine sands, Denton County, Texas

A correlation of the Edaphic Factors with the Vegetation of the Woodbine sands, Denton County, Texas

Date: August 1936
Creator: Graham, H. L.
Description: The purpose of this study was to correlate the Vegetation of the Woodbine Sands with the edaphic factors. In the laboratory an analysis of the edephic factors was made of the twenty-two soil types collected from the three formations. The results of these and other analysis are shown in tables and graphs. The results indicate that the vegetational cover of an area that is uniform in its origin and in its resident soil factors is determined by the edaphic factors present.
Contributing Partner: UNT Libraries
A Correlation of the Habitat Factors with the Quantity of Bacterial Colonies as Observed by the Direct Microscopic Method on Twenty Soils of Denton County, Texas

A Correlation of the Habitat Factors with the Quantity of Bacterial Colonies as Observed by the Direct Microscopic Method on Twenty Soils of Denton County, Texas

Date: August 1937
Creator: Roach, Cornelia Ann
Description: The aim of this study is to determine what factors are most important in controlling the number of bacterial colonies found in twent represntative Denton County (Texas) soils during the growing season.
Contributing Partner: UNT Libraries
The Ecology of Chlorohydra Viridissima in a Small Perennial Pond

The Ecology of Chlorohydra Viridissima in a Small Perennial Pond

Date: August 1937
Creator: Graham, Elizabeth Coffee
Description: The purpose of this study is to determine the influence of chemical, physical, and bilogical factors on th seasonal variation in population and on reproduction of Chlorohydra Viridissima (Schulze) in a small pernnial pond.
Contributing Partner: UNT Libraries
The Food and Growth of the Largemouthed Black Bass (Huro Salmoides) in North Texas

The Food and Growth of the Largemouthed Black Bass (Huro Salmoides) in North Texas

Date: August 1939
Creator: Hill, Jackson F.
Description: This thesis describes the growth and feeding habits of large mouth bass (Huro salmoides) as observed in North Texas.
Contributing Partner: UNT Libraries
A Limnological Study of Lake Worth

A Limnological Study of Lake Worth

Date: August 1939
Creator: Johns, William Barnette
Description: This thesis presents the results of a three year study devoted to discovering the life and phenomena found in Lake Worth near Fort Worth, Texas.
Contributing Partner: UNT Libraries
Moisture Relations of the Soils of Denton County

Moisture Relations of the Soils of Denton County

Date: August 1936
Creator: Laufer, Hymie.
Description: In this research, study was made of representative soils of denton County (Texas) with the aim of correlating various soil-moisture factors through experimental analyses. Two accepted hypotheses of soil-moisture relations have been substantiated by experiment with Denton County soils.
Contributing Partner: UNT Libraries
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