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Bacterial Survey of Representative Denton County Wells with Special Reference to Sanitation
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.
Date:
June 1937
Creator:
Roberts, Sally Stevens
System:
The UNT Digital Library
The Incidence of Colon Bacteria on the Hands of North Texas State Teachers College Students
This investigation has for its aim the determination, in a measure, of the degree of personal sanitation existent among students at North Texas State Teachers College, Denton, Texas.
Date:
1946
Creator:
Hooper, Eugene
System:
The UNT Digital Library
Developing Range Condition Classes for the North Grand Prairie of Texas
This paper deals with a study of the ranch lands in Cooke, Wise, Denton, and Montague Counties, which are located in the North Grand Prairie of Texas.
Date:
1946
Creator:
McConnell, Mack
System:
The UNT Digital Library
The Age, Growth, and Food Habits of the Lake Dallas White Bass, Lepibema Chrysops (Rafinesque)
This study was made to secure certain new information concerning the food habits and growth of the white bass, Lepibema chrysops (Rafinesque), which is quite generally considered a good game and good fish.
Date:
1942
Creator:
Micks, Don W.
System:
The UNT Digital Library
Composition and Distribution of the Vegetation in Farm Pastures in Denton County, Texas
This investigation has for its aim the determination and the evaluation of the vegetational composition in certain farm pastures in Denton County, Texas.
Date:
1946
Creator:
Parker, Robert S.
System:
The UNT Digital Library
A Quantitative and Qualitative Bacterial Analysis of Pecan Creek
Since Pecan Creek receives sewage wastes from an obviously inadequate disposal system, it seemed possible that it could receive pathogenic bacteria. The fact that these might be present in numbers sufficient to cause epidemics, provided the proper natural vectors were present, stimulated an interest in and the pursuance of this study.
Date:
1946
Creator:
Cook, Vernice
System:
The UNT Digital Library
Seasonal Variations in the Microflora of Four Denton County, Texas, Sandy Soils
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.
Date:
1941
Creator:
Emerson, Robert L.
System:
The UNT Digital Library
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
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.
Date:
1945
Creator:
Scoggin, Frances Grammar
System:
The UNT Digital Library
A Preliminary Investigation of the Effects of Various Fertilizers on Plankton and Fish Production in Small Texas Ponds
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.
Date:
1945
Creator:
Sivells, Howard Carroll
System:
The UNT Digital Library
The Taxonomic Significance of the Foliar Epidermal Hairs of Several Families of Dicotyledons
The present investigation deals with the study of non-glandular epidermal hairs from the leaves of two hundred representative dicotyledons of forty-eight families in the Central North Texas area. Special attention has been given to the Compositae and Leguminosae in an effort to find a possible correlation between epidermal hair morphology and the taxonomic position of the plants concerned.
Date:
1945
Creator:
McCarty, Faye A.
System:
The UNT Digital Library
Seasonal Variations in Microflora of Four Denton County, Texas, Clay Soils
This investigation has for its aim the confirmation of the correlation between soil moisture and the microflora of soils, and a lesser relation between the soil temperature and the microflora. The soils used in this study are typical clay soils of Denton County, Texas. The samples were taken from virgin pasture lands and analyses made monthly or semimonthly. The wide seasonal variation of temperature and rainfall afford a good opportunity for this study.
Date:
1941
Creator:
Manire, Philip
System:
The UNT Digital Library
Food Habit Analysis of the Two Species of Texas Crappie
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.
Date:
1941
Creator:
Mitchell Glenn C.
System:
The UNT Digital Library
The Vegetation and Habitat Factors of Rockwall County, Texas
This paper consists of a study of the soils and vegetation found in Rockwall County, Texas. This county is located in the northeastern part of the state. Rockwall County lies in the northeastern part of the Black Waxy Belt of the Coastal Plains province.
Date:
1940
Creator:
Smith, W. Desby
System:
The UNT Digital Library
The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L.
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.
Date:
1941
Creator:
Neal, George C.
System:
The UNT Digital Library
Bacterial Survey of Representative Wells of Canyon, Texas, with Special Emphasis on Sanitation
The problem of this thesis consists of a bacterial analysis of twenty-five representative wells within a radius of thirty miles of Canyon, Texas. An attempt has been made to determine the possible presence of the typhoid organism in these wells.
Date:
1944
Creator:
Barnes, Adele
System:
The UNT Digital Library
Bacterial Survey of the Sources of Drinking Water of Trinidad, Texas, with Special Reference to Sanitation
A bacterial analysis of the water from thirty-six sources of consumption by the white population of Trinidad, Henderson County, Texas, was made to determine the potability of each of these in regard to infection from typhoid or related organisms.
Date:
1944
Creator:
Coldwell, Lavenia Ruth
System:
The UNT Digital Library
Seasonal Food Habits of Five Species of Texas Centrarchids
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.
Date:
1946
Creator:
Sherman, Robert C.
System:
The UNT Digital Library
Sanitary Aspects of the Swimming Pool of North Texas State Teachers College, Denton, Texas
This investigation was conducted in order to show that insanitary conditions may exist in the swimming pool at North Texas State Teachers College provided the proper precautions are not taken; and, in contrast that this pool can be sanitary and entirely safe when operated and used according to the necessary sanitary specifications.
Date:
1943
Creator:
Self, Louise
System:
The UNT Digital Library
The Spermatophytes of Tarrant County, Texas
The problem consisted of thoroughly exploring Tarrant County, Texas, in an attempt to collect and study critically as many species of Spermatophytes as possible. In addition a thorough examination was made of herbarium specimens assembled from the region by other botanists.
Date:
1943
Creator:
McCart, William Larrey
System:
The UNT Digital Library
Edaphic Factors Which Control the Distribution of the Common Mesquite, Prosopis Chilensis (Molina) Stuntz in Denton County, Texas
This paper deals with the distributional outgrowths of Prosopis chilensis (Molina) Stuntz, the common mesquite, in Denton County, Texas.
Date:
1942
Creator:
Steph, Harlan J.
System:
The UNT Digital Library
Plant Dermatitis: Hypersensitivity to the Oleoresins of Fifty Common Plants Indigenous to Hunt County, Texas
This investigation deals with the study of a possible hypersensitivity to the oleoresins of fifty common plants indigenous to Hunt County, Texas.
Date:
1940
Creator:
Smith, Dean
System:
The UNT Digital Library
Sanitary Aspects of Milk and Dairy Products Dispensed in Sherman, Texas
The aim of this investigation is to determine whether there is a correlation between the sanitary condition of milk and dairy products dispensed in Sherman, Texas, and the plate counts, the morphology, and the Gram stain reaction of the organisms in predominant colonies from these.
Date:
1948
Creator:
Bryant, J. Forrest
System:
The UNT Digital Library
The Age and Rate of Growth of the Black Crappie, Pomoxis Nigro-Maculatus (Le Sueur), and the White Crappie, Pomoxis Annularis Rafinesque, in the Koon Kreek Klub Lakes, Texas
This study is another phase of the overall research program designed to furnish basic information for the management of East Texas lakes and has as its specific purpose the determination of the age and growth characteristics of two valuable species on these waters. The species to be considered are the black crappie, Pomoxis nigro-maculatus (Le Sueur) and the white crappie, Pomoxis annularis Rafinesque. Both species are highly regarded as food fish and have for many years offered recreational outlets for Texas fishermen.
Date:
1948
Creator:
Elliott, James M.
System:
The UNT Digital Library
The Vegetation of the Austin Chalk Formation of Collin County, Texas
This study had for its aim the collection, identification, and listing of the spermatophytes growing upon the Austin Chalk formation of Collin County, Texas.
Date:
1947
Creator:
Reese, Roy
System:
The UNT Digital Library