Lockyer, J. N. A Short History of Scientific Instruction, 372, 529 MacDougall. Light and Vegetation, 193 Malay Language. R. C. Ford, 813 Martel, M. E. A. Speleology, or Cave Exploration, 255 Martin, D. S. Glacial Geology in America, 356 Melinand, M. C. Dream and Reality, 96 Mental Defectives and the Social Welfare. M. W. Barr*, 746 Meteorology, Climatic Evolution, Laws of, 855 " Sahara, Winds of. (Frag.), 717 Miles, Manly, Sketch of. (With Portrait), 834 Mind's Eye, The. Joseph Jastrow*, 289 Missouri Botanical Garden, Additions to. (Frag.), 135 Molecular Asymmetry and Life. (Frag.), 139 Mongoose in Jamaica, The. C. W. Willis*, 86 Moon and the Weather, The. G. J. Varney. (Corr.), 118 Morgan, J. de. Stone Age in Egypt, 202 Morse, E. S. Pre-Columbian Musical Instruments.* (Frag.), 712 " " Was Middle America Peopled from Asia?, 1 Mortillet, Gabriel de, Sketch of. (With Portrait), 546 " " " The Earliest Writing in France, 542 Names, Technical and Popular. (Frag.), 285 Naples Aquarium, The. (School for the Study of Life under the Sea.) E. H. Patterson, 668 Natural History. Catbird, The Coming of the. S. Trotter, 772 " " Commensals. (Frag.), 716 " " Herrings at Dinner. (Frag.), 574 " " Origin of a Curious Habit. (Frag.), 286 " " School for the Study of Life under the Sea. E. H. Patterson, 668 " " Scorpion, My Pet. Norman Robinson*, 605 " " Weasels. W. E. Cram*, 786 Natural Selection and Fortuitous Variation. (Frag.), 141 Nature Study in the Philadelphia Normal School. L. L. W. Wilson, 313 Nernst Electric Lamp, The. (Frag.), 854 Neufeld, Dr. (Frag.), 140 Nicaragua and its Ferns. (Frag.), 137 Nontoxic Matches, The French. (Frag.), 857 Novicow, J. The Spirit of Conquest, 518 Oakley, Isabella G. Playgrounds of Rural and Suburban Schools, 176 Observation, The Science of. C. L. Whittle*, 456 Ocean Currents, Drift of. (Frag.), 716 Oswald, F. L. Physical Geography of the West Indies, 802 Outerbridge, A. E., Jr. Marvelous Increase in Production of Gold, 635 Parville, M. H. de. Two Gifts to French Science*, 81 Patrick, G. T. W. Should Children under Ten learn to Read and Write?, 382 Patterson, Eleanor H. A School for the Study of Life under the Sea, 668 Pearls, American Fresh-Water. (Frag.), 859 Pedigree Photographs. (Frag.), 428 Physics. Utilization of Wave Power. (Frag.), 715 Physiology. Iron in the Living Body. M. Dastre, 807 Plant Characters, Changes in. (Frag.), 286 Plant Names, English. (Frag.), 428 Playgrounds of Rural and Suburban Schools. Isabella G. Oakley, 163 Pleasure Gardens, Evolution of. (Frag.), 717 Plumandon, J. R. The Cause of Rain, 89 Poisonous Plants. (Frag.), 855 Portland Cement. (Frag.), 856 Potteries, Doulton. (Frag.), 430