INDEX. 717 



Page. 



Peary, R. E., Arctic explorations by 289 



Peckkani, Adelaide Ward, on typhoid and colon bacillus 76 



Pembroke College, publications presented to xviii 



Pendulum clock, invention of 84 



Pennsylvania, University of, publications from 74 



Perceptions, study of 95 



Periodicals, Bolton's catalogue of 9 



Permanent fund, Secretary's report on 3 



Perry, Ed., & Co., courtesies from 50 



Perthes, Boucher de, discoveries by 663 



Pern, exchanges with 51, 53, 54 



Peruvian bows, description of 555 



Indian costume 615 



Pettigrew, on food-energy transformation 301 



Phelps Bros. & Co., courtesies from 50 



Philip Island parrot, extinct species 29 



Philippine Islands, exchange agent at 51 



Photographic chart of the heavens 88 



photometry, by M. J. Jansseu 76 



Photography, color, Wiener on 167 



Physical condition of the ocean, by W. J. L. AVharton 76 



geography of Australia , 245 



phenomena of upper atmosphere 125 



tables, Smithsonian 9 



Physics, development of science of 342 



Helmholtz on principles of 124 



work of Smithsonian Institution in 13 



Physiological heat phenomena 101 



histology, Gage on 381 



optical researches by Helmholtz 95 



station at Paris, work of 76 



Physiology, Johannes Miiller on 345, 346 



Ludwig and Modern 365 



of the senses, Miiller on 346 



relations to chemistry and morphology 76 



Picard, Mr., mentioned 502 



Pickering, Professor, mentioned - 163 



Pickering, William H., on Mars 76 



Pictet apparatus for liquefication of oxygen 135 



Pikes Peak observatory 164 



Pilling, James Constantino, biography of 43 



Pioneer, ship, Arctic explorations in 291 



Piot, M., on fossil antelope 611 



Pitcher plants, description of 446 



Planets, life on the 92 



physical constitution of 90 



Plants, and ants, biologic relations of 411 



carnivorous 432 



census of 458 



lodging organs of 429, 453 



protective characteristics of 420, 424 



Poincare", M., on light and electricity 76 



Poisons in putrid animal matter 486, 487 



Poisseuille on circulation of sound 346 



