INDEX. 



759 



Pag©. 



Pfeffer, on plant irritation, cited 387 



Phelps Bros. & Co., courtesies from 65 



Philippine Islands, exchange agency ^4 



Philolans of Crotona, on astronomy 9o 



Philology at Berlin University 686 



study of, at Berlin University 660 



Philosophic to scientific age, transition from 681 



Philosophy, study of , at Halle 686 



Phosphate beds, origin of - - ^^^ 



Phosphatic deposits, distribution of 227 



Phosphoric acid in fish 



Photographic photometry, Janssen on 191 



Photographs of splash of drop of water, etc 208 



Photography, chrono, uses of ^"^0 



electrical '^* 



relation to astronomy 699 



solar , Professor Holden's experiments In 7 



Photometry, celestial 1^2 



International Congress of 191 



IDhotographic, Janssen on 191 



Phototachymetrical methods 1^^ 



Physical condition of the ocean. Captain Wharton on 343 



Society of Berlin ''H 



tables, Smithsonian 9 



Physicists, rise of gi-eat 662 



Physicochemical theory of life ^''"^ 



Physicochemistry, principles of 437 



Physics, applications to geology ^^ 



benefit of study of : 664 



relation to chemistry 698 



Physiologic and Physical Institute of Berlin. 693 



Physiological basis of thought - 379 



station of Paris, work of - - 391 



voltaic battery --- 441 



Physiology as related to chemistry and morphology . - - 377 



Picard, solar parallax determined by 96,97 



Piccard, J. F., on rain making 270 



Pickering, William H. , on Schiaparelli's latest views regarding Mars 113 



Pictet, Raoul, researches in low temperatiires 384 



Pictography, Colonel Mallery's study of 31, 50 



Pilling, James C ^3 



Pim, Forwood& Co., courtesies from 65 



Pinzon , Martin Alfonso 289 



Pinzon, Vincencio Yanez 286 



Piorry, on cardiac murmurs - - - ^63 



287 

 Pizarro, surveys by - 



Planets, relative distances from 95 



Plant food, waste and conservation of - 213 



Plants, Humboldt's experiments on growth of - - - 690 



marine 



Playfair, on massage treatment 473 



Pliny, on distances to sun and moon 95 



Poincare, M., on light and electricity 129 



Point Barrow exiiedition. ^^ 



