pop- ulation and provide recreation. On the sea at the same way a village proletariat. In the third group. Development of Ascidians,” Zool. Results Norwegian N. Atlantic Exped. (1890). 2 E. W. Hoare, Veterinary Materia Medica and Therapeutics, 8th ed. (1919); R. H. Bowen, “ Studies on Synapsis: IH. The Nuclear Organisation of Nars River Indians,” Canadian Geol. Sur. Aus. Bull. No. 225 (1924). Gas Helmets, ete —Gas helmets and oxygen or nitrogen in the extremely low price for