INDEX. 677 



Optics, recent jirogress iu 75 



Ordre de la Eose-Croix 210 



Organic creation, origin of differences in 456 



growths, theory of 460 



matter in air, determination of 72 



Orientalists, Congress of, delegate to 16 



Osgood, H. L., paper by 80 



Oxygen, free, in primitive atmosphere 354 



quantity in upper air 314 



P. 



Painted bones, discoveries of 559 



Paleolithic implements, general resemblance of 549 



Paleontology, Smithsonian work in 78 



Palingenesis, study of 215 



Panama Eailroad Steamship Company, courtesies from 51 



Panmixia, definition of 461 



Papngo Indians, researches among 40 



Papyri, Egyptian, catalogue of 15 



recent discoveries of 574 



Parasites, development of 490 



Parkman, Francis, quoted 468 



Pasteur, by G. M. Sternberg 76,77 



Pasteur's discoveries, economic value of 332 



Patagonia, explorations in 10, 34 



Patcanof, S., gift of books by 13 



Peary, Lieutenant, Eskimo dogs from 57 



Peirce, Benjamin, mathematical work of 105 



Pelagic life of Antarctic Ocean 419 



Periodic law in classification of elements 248 



Periodicals, catalogue of, by Pol ton 11, 70 



Perkins, E. T., explorations by 10,34 



Permanent committee, members of xi 



Perry, Edward & Co., courtesies from 51 



Petrie, W. M. Flinders, on research in Egypt 571 



Petroleum light, cost of 277 



Pettenkofer on classification of elements 248 



Phantom Ship, Crater Lake 375 



Phenacetin, discovery of 330 



Phillips, Professor, quoted 340 



Phillips, P. Lee, Virginia cartography by 11, 74 



Phillips, W. A., on stone implements from shores of Lake Michigan 587 



Philology, researches in - 41 



Phipson, T. L., discovers actinium 240 



Phosphorescence, researches iu 157 



sources of 279 



Phosphorus, experiments upon 267 



proportion in earth's crust 237 



Photographic phenomena of X-rays 154 



Photography and the X-rays 139 



of the stars 93 



sun 96 



Physical basis of sources of light 296 



tables, by Thomas Gray 11, 73 



