Proceedings of the American Academy of Arts and Sciences, Volúmenes75-76

Acad accepts Fellowship ADDINGTON BRUCE Amer apparatus ARTICLE AVIVO axis Belmont Boston Brookline caesium Cambridge Cambridge carboloy Carboniferous cent Chairman chap Charles Class coil Committee Comparative Zoology Conn Corresponding Secretary costal margin Council cross-veins curved distal Edward elected figure fore wing Foreign Honorary Members forked Frederick galvanometer genus George gyromagnetic ratios HARLOW SHAPLEY Harvard Henry high pressure hind wing holotype indium insects Jamaica Plain John kg/cm² Martynov Martynoviidae material measurements MEETING The Academy Meganeura Megasecoptera ment mid-wing Midco Museum of Comparative Neuroptera organization P. M. One Thousand P. M. The President P. W. Bridgman Permanent Science Fund Permian piezometer piston powder present Proc Professor Protodonata Protorthoptera pterostigma Robert rotor Rumford saltpeter scattering chamber SECTION species specimens substances Table Tillyard tion transition trypanosomes vein venation volume compression volume decrement William York