Handbook of Snakes of the United States and Canada. A. H. and A. A. Wright, 1957, Handbooks of American Natural History, Comstock Publishing Association, New York; Constable and Co., Ltd., London. 2 vols., pp. i–xviii, i–ix and 1–1106, 305 photographs and text figures, 70 maps. Price £6 6s. 0d. a set

" Handbook of Snakes of the United States and Canada. A. H. and A. A. Wright, 1957, Handbooks of American Natural History, Comstock Publishing Association, New York; Constable and Co., Ltd., London. 2 vols., pp. i–xviii, i–ix and 1–1106, 305 photographs and text figures, 70 maps. Price £6 6s. 0d. a set." Annals and Magazine of Natural History, 10(117), pp. 701–702