Calendar: 1931-1932 Page 462

ANNUAL REPORT liii DEPARTMENT OF ZOOLOGY Brambell The Application of Goldschmidt's Hypothesis to the Differentia- tion of Sex in Vertebrates Science Progress 1930 The Development of Sex in Vertebrates Sidgwick and Jackson 1930 Various reviews in Science Progress under the heading Recent Advances in Zoology 1930 Huxley The Existence and Importance of Growth Gradients Biol Zentralbl Vol 49 1929 Ants Benn's Sixpenny Library 1930 Spemann's Organisator' und Child's Theorie der axiellen Gradienten Die Naturwissenschaften Vol 18 1930 The Maladaptation of Trout Spermatozoa to Fresh Water Nature Vol 125 1930 Report to the Colonial Office Advisory Education Committee on the Place of Biology in Native Education in East Africa 1930 י Report on the Use of Films for Education Purposes in East Africa Report to the Empire Marketing Board 1930 With Belehradek The Rate of Eye-growth and its Variation in Gammarus chevreuxi Journ Exp Biol Vol 1930 With Wells and Wells The Science of Life Remainder of 31 parts ckinnon and Roy Η Lankester's Gregarine from the Eggs of Thalassema neptuni Nature Vol 124 1929 Roy Η Studies on some Sporozoa in Polychsete Worms -Gregarines of the genus Selenidium Parasitology Vol 22 1930 II -Dorisiella scolelepidis gen sp Ibid Vol 22 1930 Tazelaar The Relative Growth of Parts in Palaemon Carcinus Journ Exp Biol Vol VII 1930 W1DDOWSON Folklore of the Teeth Gazette January 1930 Retention of Partially Erupted Milk Teeth associated with total absence of their Permanent Successors Brit Dental Journ May 15th 1930 Vitamins Dental Surgeon June 1930 Growth of the Jaws from Birth Dental Surgeon July and August 1930 Some Recent Original Research Work of Interest to Dental Practitioners Dental Journal of Australia August and September 1930