This veterinarians' textbook is written by the professor of parasitology in the University of Pretoria, South Africa, and veterinary research officer at Onderstepoort. Since Africa is the continent of mammals it is also that for the mammalian parasites, and this book grew up in the paradise of parasites of the blood, the intestine and every organ of the vertebrate body. The book is not a mere rehash of older literature but a carefully wrought out account of the helminths and arthropods afflicting domesticated animals, with a clear presentation of diagnostic characters of ova, larval stages and adults where known, with notes on the life cycle, pathogenicity, diagnosis, treatment and prophylaxis. The more important species are illustrated, often by original figures. There are introductory sections on parasitism, parasitic relations, pathogenic effects, host and organ specificity, resistance and immunity, effect of mode of life on the parasite, epizootology, geographic distribution, a historical