INDEX. 871 



I'AGK 



Kearney Agitation, The, in California 433 



Kirkwood, Daniel, Letter from 553 



Lake Bonneville, Ancient Outlet of 855 



Lankester, E. Ray, F. R. S., Bacteria as Destroyers of Insects 93 



Law of Mutual Help, The 709 



Lee, Professor William, M. D., the Extreme Rarity of Premature Burials.. 520 



Leech, The Medicinal 478 



Leidy, Joseph, Sketch of. (With Portrait.) 684 



Le Sueur, M. D., a Vindication of Scientific Ethics 324 



Life-Question, Modern Aspects of the 750 



Light, Production of Sound by 813 



Lightning- Conductors, Efficiency of 421 



Lights, Rhythmic and Colored, for Lighthouses 427 



Literary Notices 126, 272, 410, 500, 097, 846 



Literature, Sham Admiration in 48 



Lord, W. W., Letter from 120 



Man in America 571 



Marsh-Odors, The Source of 138 



Mauris, Maurice, About Carpenters 233 



Maxwell, James Clerk, Sketch of 116 



Meat, Diseased, Effects of 572 



Medusa, A Fresh- Water 856 



Meridian, Carrying a French, into Africa 575 



Merrill, Harry 386, 692 



Metallic Compound, A New 282 



Metals, Precious, Production of, in Colorado 287 



Meunier, Stanislas, Studies in Experimental Geology. (Illustrated.) 200 



Miller, W. D., the Availability of Energy 244 



Minot, C. S., Changes of the Circulation during Cerebral Activity 303 



Mohr, Friedrich, Sketch of 402 



Mollusks, The, Capture among Ill 



Morphia, Danger of the Hypodermic Use of 425 



Mountains, The Highest, of the Earth 859 



Muir, M. M. Pattison, the New Chemistry a Development of the Old 393 



Murder, Curious Discovery of a 857 



My Fire (Poem) 321 



Natural Vegetation at San Francisco, Changes in 853 



Nature, Mysterious Sounds of 772 



Newcomb, Professor Simon, Sketch of Otto Wilhelm Struve 263 



Newton, The English Precursors of 609, 777 



Night-Schools in New York and Paris 681 



Nile, Ancient Channels of the 861 



Nolan, Edward J 684 



Notes 143, 288, 431, 570, 719, 863 



Nubian Race, Types of the. (Illustrated.) 512 



Olfactory Nerves, Abnormal Action of 092 



Origin of Species, The Coming of Age of the 337 



