752 INDEX. 



Page 



Plant physiology, Wiesner on 114 



Plants added to Museum foUection 53 



cell theory of 462 



ocean, Brandt on 494 



Piatt, Orville H. , Smithsonian Regent x, xi, 4 



Polo, Marco, explorations by 429 



Polonium, experiments with 9 



Porter, A. B. , experimeflts by 369 



Porto Rico, anticpiities of 1 7, 113 



collections made in 53, 55, 60 



Postage, appropriations for xliii 



Powell, J. W 30, 52 



exploration of Colorado Canyon l)y 428 



geological studies by 283 



in Cuba and Jamaica 55, 59 



researches in Maine by 59 



Pratt, Archbishop, cited 276 



Predestination, Huxley on 707 



Preece, W. H., on wireless telegraphy 113 



Pressure, measurement of 412 



I'ribilof Islands, breeding of Arctiv- fox on 531 



Priestley and Scheele, oxygen discovered by 234 



Prince, Walter F. , paper by 117 



Printing and })inding, appropriation for xijir 



Progress in aeronautics, Janssen on 1 87-193 



in astronomy, Lochyer on 123 



in biology, Ilertwig on 461-478 



in electricity, IMendenhall on 327 



Thomson on 333-358 



in geology, Le Conte on 265-287 



in medicine, J. S. Billings on 637-644 



in physics, Mendenhall on 315-331 



in psychical research, Lang on 671-681 



Protista, study of the 463 



Prout' s lesearches in atomic weights 239 



Psychical research oi the century, liy Andrew Lang 675-681 



Psychical Research, Society for 678 



Pterodactyles, flying reptiles 490 



Publications, American Historical Association 117 



Astrophysical Observatory 99 



Bureau of Ethnology 71, 116 



cash sales of xxx 



editor's report on 112-117 



National Museum 57, 115 



Secretary's report on 15 



Putnam, G. R., solar eclipse work by 104, 105, 149, 151 



Putnam, Herbert, on exchange service 43 



Pygmies in Africa, Grogan on 439 



Q. 



Queen Mai-y's secret jewels 680 



