Proceedings of the American Academy of Arts and Sciences, Volumen68

Academy of Arts Al/lo alloy Amer American Academy angles annealing Arts and Sciences atmospheric pressure augmented logistic average AVIVO axis Basalt base Boston bracts Broadway Bromeliaceae Cambridge cells coefficient of resistance constant costal cross-veins Delopteridae determined deviation Effect of Pressure Electrical Resistance elytra elytron Epiphytic equations facets Fellow in Class figure floral bracts fore wing fossil frequency Harvard Hecataeus Herodotus hind wing holotype hysteresis increasing pressure inflorescence insects kg/cm² layer least squares liquid lower magnetic margin maximum mean measurements Megasecoptera mercury metal method obtained orientation Permian petals points population pressure coefficient Pressure kg/cm² Professor psocids Psocoptera pterostigma R.-Contributions radium radium content radium per gm readings Relative Volumes Rumford sample Section Sellards sepals single crystal solution species specific resistance specimen spikes sylphon Table tellurium temperature Thaxter Tillandsia Tillyard tion Trin TRINIDAD values veins venation William