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Animal Parasites: Their Biology and Life Cycles

by O. WILFORD OLSEN, A.B., M.A., Ph.D., Head, Department of Zoology and Parasitology, Colorado State University, Fort Collins, Colorado. vii + 346 pages, illustrated. Minneapolis, Burgess Publishing Company. 1962. $6.95

As the name of this book implies, it places emphasis primarily on the biology and life cycles of parasites, although morphology, classification, host specificity, and evolution are also stressed. Pathology, immunity and physiology are purposely treated very lightly.

The book consists of five parts dealing, respectively, with Parasitism, Protozoa, Platyhelminthes, Acanthocephala, and Nemathelminthes. The major families of each phylum are discussed and one or more species representing the main types of life cycles and variations within each family are presented. In most cases, the types are selected from common North American species. The text descriptions of most species are supplemented by excellent drawings illustrating the morphology of the various stages and the essential details of the life cycles. The drawings illustrating morphology are the author's free-hand reproductions of figures selected from various sources while the life cycle diagrams are original.The latter are especially praiseworthy and will greatly assist the student in understanding the relationship between the parasite, its various hosts and the external environment.