An introduction to the diversity of single-celled eukaryotes, i.e., protozoans, that are parasites of humans, domestic, and wild animals. Lectures emphasize the morphology, physiology, and life cycles ...

PROTOZOOLOGY, a science that has only in most recent times attracted general attention, is nothing more or less than the study of a group of organisms which zoologists term protozoa, and therefore ...

OF all the great naturalists of the past, Leeuwenhoek occupies the unique and anomalous position of being the most frequently quoted and at the same time the least appreciated and understood.