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This volume is an outgrowth of a series of lectures delivered at Swarthmore College in 1939 and represents an important contribution to the physiology of respiration. Professor Krogh has put together in his inimitably simple and interesting way a review of his own and others' work on respiratory mechanisms in numerous forms of animal life. Although the book is full of detailed information, as would be evident from the illustrations and tables, the description of how respiratory mechanisms of diverse types meet the peculiar needs of animals in various environmental situations is easy and fascinating reading. In describing respiratory mechanisms involving (1) simple diffusion in small aquatic forms, (2) water lungs, (3) branchial water gills, (4) air breathing gills, (5) diffusion lungs and (6) ventilation lungs, the author has covered the comparative physiology of external respiration. Many ingenious devices for studying such respiratory mechanisms are described. A comprehensive section covers
The Comparative Physiology of Respiratory Mechanisms. JAMA. 1941;116(24):2732. doi:10.1001/jama.1941.02820240092037