Life Sciences Commons^™

A Study Of The Microflora Of Root Beer, Leah Morford Senff

University of the Pacific Theses and Dissertations

The purpose of the present work was three-fold: (1) to determine the number of microorganisms found in root beer ready for consumer used, (2) to study the effects of various temperatures and durations of incubation on this microbial population, and (3) to characterize the predominant species of contaminating bacteria.

Studies Of The Haematozoa Of Some Birds Of Northern California, Wayland Lee Ezell

University of the Pacific Theses and Dissertations

The purpose of the work leading to the writing of the thesis was two fold: (1) to survey birds of Northern California for hemoprotozoa of the genera Haemoproteus, Leucocytozoon, and Trypanosoma, and (2) to construct an up-to-date check-list of the Haemoproteus, Leucocytozoon, and Trypanosoma parasites of birds of North America.

Comparative Anatomy And Biology Of Two Species Of The Asteroid Genus Pisaster, Norman William Mayer

University of the Pacific Theses and Dissertations

Interest in the endemic Pisaster was first aroused by the great variation of external color in Pisaster ochraceus. This in turn led to observations of the diversity of the spinous patterns of this sea star. Following the suggestion of Dr. Jool D. hedgepeth it was decided to make an extensive comparison of the common species of Pisaster.

Detailed comparison between Pisaster brevispinus and Pisaster ochraceus have been made only by Fisher (1930) and Verrill (1914). Both of these investigators restricted their observations largely to the endoskeleton and its calcareous protuberances. In addition to analyzing the work of Fisher, an attempt …