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Age, Growth, and Food Habits of the Largemouthed Black Bass (Micropterus Salmoides) and the Spotted Bass (Micropterus Puctulatus SSP) in North and East Texas Lakes

Description: This study is based on the examinations and analyses of 388 largemouthed black bass (Micropterus salmoides) and 118 spotted black bass (Micropterus puctulatus ssp.) which were collected over a period of three years from 9 lakes in the North-Central and East Texas areas. The results should show the following: (1) the average age of the black bass in each of the nine reservoirs in Texas; (2) the growth rate of the bass in these reservoirs; (3) the feeding habits of the bass in all reservoirs stud… more
Date: 1950
Creator: Cooper, William A.
Partner: UNT Libraries
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A Correlation of the Vegetation with the Soil Types of Haskell County, Texas

Description: The problem has consisted, first, of a mapping of the soil types present in Haskell County; second, a collection of the existing vegetation of each soil type; third, an identification of the vegetation collected and observed; fourth, and lastly, a comparative study of the vegetation of each soil type in an effort to establish a correlation between the vegetation and the soil type.
Date: 1950
Creator: Tyson, Josiah William, Jr.
Partner: UNT Libraries
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In Vitro Determination of the Cellulose-Decomposing Rates of Twelve Denton County, Texas Soils

Description: In this study twelve types of top soil were collected under aseptic conditions. The cellulose-decomposing rates of these were compared in order to determine the relative rates in the cellulose-decomposing potential of the microorganisms involved. Furthermore, this investigation is designed to acquire pertinent information on the rate at which natural cellulose materials are returned to available plant food.
Date: 1950
Creator: Heather, Carl D.
Partner: UNT Libraries
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A Quantitative and Qualitative Bacterial Analysis of the Sewage Disposal System of Perryton, Texas

Description: This investigation had for its purpose the determination of first, the inefficiency of the Perryton, Texas, sewage disposal plant proper; and second the potential effectiveness of a lagoon now used to complete the sewage purification; and consequently, offset an apparent health hazard. The problem, as pursued, has consisted of first, the collection of sewage samples from the six stations listed in Table 1 over the period of time from September 23, 1949 to May 14, 1950; second, a quantitative an… more
Date: August 1950
Creator: Sullivan, Troy G.
Partner: UNT Libraries
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Seed Treatment of Thirty Species of Pasture Grasses and Legumes with Certain Du Pont Disinfectants

Description: This review has dealt primarily with the efforts of scientists to control certain smut diseases of grains. The principal reason for treating plant seeds is to obtain good stands of vigorous, healthy plants that will produce increased yields of superior seed.
Date: 1950
Creator: Clark, Caleb Perrin
Partner: UNT Libraries
open access

The Sensitivity of Human Blood Plasma to the Coagulase Enzyme Secreted by Members of the Genus Micrococcus

Description: The problem in this investigation consisted of, first, the isolation from human sources and identification of thirteen cultures of typical micrococci to be used as test organisms; second, the acquisition of blood plasma from thirty different human beings; and third, the determination of the possibility of individual variation in sensitivity of blood plasma to the micrococci used as test organisms as revealed by the coagulase test.
Date: 1950
Creator: Coultas, John T.
Partner: UNT Libraries
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