INDEX. 665 



Page. 



Playfair, Lyon, on iron furnace gases 611 



Pollard, C. L. , plants collected by 31 



Polonium, rays of 156 



Polynesians, color of the 511 



Porto Rico, explorations in 29 



Potash of the rivers, amount of 273 



Po we 1 1 , J . W 21,83 



expenditures by xxi 



report on Bureau of Ethnology by 84-42 



Pratt, J^ H., gift from 32 



Prehistoric, origin of the word 475 



art, Wilson on 78 



Pressure, researches in range of 121 



Preston, T. , researches by 146 



Pricstly's discovery of oxygen 1 t>r), 167 



Primeval ocean, composition of 248 



Prince of INlonaco, oceanic investigations by 324 



Prmce, W. F. , on Blue Laws 81 



Printing and binding, act appropriating for , L 



for National Museum xxxv 



Progress in steam navigation. White on 567-590 



Protective coloration 77 



Psychical research. Sir William Crookes on 185-205 



Psychic activities of fibers 376 



Psychology, James's principles of 199 



of muscle motion 346 



Putnam, Frederick Ward, on a problem in American Anthropology 473 



Publications, editor' s report on 75-81 



expenditures for xx 



method of distrilmting 14 



National Museum 83, 78 



Smithsonian - 4, 75 



receipts from saleof xx 



Secretary's report on : 14 



R. 



Radiant-matter spectroscopy - - - 151 



Radiation, invisible, researches in 125 



theories - 146 



Radio-active substances 149 



Bolton on 155 



Ralph, W. L., collection from 31 



Ramsay, William, discoveries by 144 



on undiscovered gases 77 



Range of nature's operations, Stoney on • 207-222 



Rankine cycle for steam engines 601 



Ransome, F. L. , researches by 426 



Rare earths, si)ark spectra of 624 



Raspail, M. Xavier, on sense of smell in l)irds 367-373 



Rathbun, Mary J. , collections by 29 



papers by 79 



Ratlil)un, Ivichard, Assistant Sei'retary ix 



on preservation of pi-trilied forests 291 



report on international exchanges by 4."J-53 



