Phylogenesis of the ear. by louis guggenheim, M.D., Associate Professor of Otolaryngology, University of Southern California; formerly Assistant. Professor of Otolaryngology, Washington University School of Medicine, St. Louis; formerly Research Associate, University of California, Los Angeles; Fellow of the American Medical Association, American College of Surgeons, American Otological Society, American Laryngological, Rhinological and Otological Society, Inc., American Academy of Ophthalmology and Otolaryngology, etc. Two hundred seventy‐one pages and Index, with 196 illustrations. Culver City, Calif.: Murray & Gee, Inc., 1948. Price $12.50