This study concerns a determination as to whether anaerobic organisms are involved in pulmonary diseases, particularly those of the chronic type.

This work is concerned with an attempt to clarify the role of cortisone in both the immune complement response and the progression of mouse leukemic tumor.

The purpose of this study is to gather information related to some factors which are considered to be characteristic of science teaching; to attempt to identify some elements of permanency in science teaching; and to analyze some relationships between the results of the above two criteria with the view of establishing some factors which may be useful as predictors of permanency, or indicative of patterns of permanency, in science teaching.

It is the aim of this work to study the role, if any, of C'4 in the immune response against Staphylococcus aureus infections.

This thesis investigates the susceptibility of various bacterial species to standard purification process.

This thesis studies antibiotic sensitivity of bacteria isolated from city water distribution systems.

The purpose of this thesis is to determine the effect of hexadecanol on the populations of Pseudomonas and Alcaligenes species in reservoirs and determine their ability to utilize this compound as a carbon source.

As complement is now believed to have some function in immunity it becomes of interest to determine what effect, if any, cortisone may have upon complement concentration in animal sera.