Henry W. Setzer

An Extra Tooth in Crocidura

The occurrence of extra teeth in insectivores is apparently not common. Palmer (Jour. Mamm., 18: 280–314, 1937) states that approximately 10 per cent of the specimens of the mole Scapanus , examined by him, had abnormal dentitions, the tendency being toward a reduction but with some increase in the number of teeth. In every case the increase or decrease was in the …

Traité de Zoologie, Anatomie, Systématique, Biologie, vol. XVII; Mammifères; Les Orders: Anatomie, Ethologie, Systématique, parts 1 and 2, 2300 pp., illus.; published under the direction of Pierre-P. Grassé by Masson and Co., Paris, 1955. Paper F22,000; cloth F23,600

Traite de Zoologie, Anatomie, Systematique, Biologie, vol. XVII; Mammiferes; Les Orders: Anatomie, Ethologie, Systematique, parts 1 and 2, 2300 pp., illus.; published under the direction of Pierre-P. Grasse by Masson and Co., Paris, 1955. Paper F22,000; cloth F23,600 This seventeenth volume of the Traite de Zoologie is a welcome addition to the mammalogists library. In a large sense, it replaces volume 2 of Webers “Die Saugetiere” which has been the standard reference work for students of mammals since 1928. The general plan of treatment is, for each living order, sections on anatomy, both skeletal and soft; reproduction; systematics; and a review of the fossil members. In some instances the comments on systematics do not stop at the generic level but include species …