INDEX. 871 



PAGK 



Notes 143, 28S, 430, 574, 719, 862 



Nuisance, An Electrical 843 



Number-Forms and Colors, Letter on 123 



Obituary, Professors L. H. Morgan and Jobn W. Draper 569 



Organic Remains in Meteoric Stones 83 



Oswald, Dr. Felix L 56, 156 



Oudemans, J. A. C 820 



Outerbridge, A. E., Jr 538 



Oyster-Beds, Deterioration of American 29, 145 



Oyster, Longevity of the 477 



Oysters, Sewage in 857 



Paleontology, Rise and Progress of. 165 



Panama Canal, Our Policy respecting the ... , 273 



Panama Canal, The Gulf Stream and the 665 



Paris, Time-keeping in. (Illustrated.) 304 



Pasteur, M. Louis, Sketch of. (Portrait.) 823 



Pathology, Scientific and Popular Experiments in 714 



Peach-Trees, The Yellows in 856 



Peppercorne, F 663 



Pettenkofer, Dr. Max von 332, 468 



Photometry 428 



Physiological Chemistry, The Fundamental Problems of. 512 



Plants, Fifty Years' Study of the Distribution of 710 



Plant-Life, Influence of Electric Light on 569 



Plants, Longevity of 657 



Plants, Movements of 421 



Popular Miscellany 135, 284, 420, 566, 710, 855 



Popular Science Monthly, Charges against the 404 



Population, Finding the Center of 420 



Positivism and Materialism 615 



Powell, Professor John W., Sketch of. (Portrait.) 390 



Preece, W. H '. 669, 786 



Prescott, Albert B 359 



Publications received 135, 283, 420, 565, 709, 854 



Putnam, G. P.'s Sons, Letter from 55 i 



Quackery within the Profession 681 



Question, An Archaeological 403 



Railroads, Safety on Suburban 716 



River-Antelope, A South African 427 



Rocks and Soil, Effects of Lightning on. (Illustrated.) 655 



Rocks, Vibration of, in Patapsco Valley 541 



Rodents, Fossil and Living 423 



Salt Lake, Freezing of a 858 



Sanitary Relations of the Soil 332, 468 



Science, A Dangerous Tendency in 715 



Science, A Half-Century of. 65, 193 



