INDEX. 821 



Microbes, cholera, sources of 259 



classes of 251 



diphtheria 264 



in air 238 



river water 303 



sewer air 243 



of disease in building material 302 



leprosy 257 



poisonous, made harmless by pure air 258 



quantity in air 199 



resisting power of 323 



Migrations, compulsory, from Asia to America 533 



in Pacific Ocean 519 



of races of men, Bryce on 85 



Mildews, distribution of 305 



Milliken, Mrs., loan to Zoological Park 73 



Mills, Col. Anson, donation to Zoological Park 72 



Mills, C. D., donation to Zoological Park 73 



Milne-Edwards, Henry, biography of 85 



Mind growth gradual 597 



Mindeleff, Cosmos, explorations by 42, 45 



Mindeleff, Victor, on Arizona ruins 566 



Miquel, M., cited 199, 238, 301 



dust examined by 382 



Mist, composition and causes of 237 



in towns, composition and effects of 369 



Mitchell, Dr. S. Weir, on composition of expired air 8, 15, 83, 389 



Mohun, R. Dorsey, donation to Zoological Park 71 



Moki Indians, rebellion against Spaniards 567 



Mokis, rituals of the 634 



Mold, nature and distribution of 305 



Molecular structure of protoplasms 482 



Mollusca, luminous 421 



Mollusks, protective coloring of 448 



Mongolia and Tibet, diary of journey to 83 



Rockhill's explorations in 9 



Mongolians, formerly in Europe 506 



present condition of 508 



race characteristics of 509 



Mongolic studies, progress in 507 



Mont Blanc Observatory 84 



Montesquieu, cited 285 



Moon, early English knowledge of 737 



Mooney, James 44, 51 



Moreau, Chevalier de, signs Brussels treaty , 61 



Morgan, Augustus de 729 



Morgan, T. H., at Naples table 17 



Morlan, J. H., donation to Zoological Park 72 



Morley, E. W., on density of oxygen and hydrogen 6, 83, 118 



Morphological studies of Professor Huxley 771 



Morphology of organisms 479 



Morrill, Justin S x^ xi 



Morse, Edward S 86 



Mortality from consumption, statistics 256 



increased by bad air of towns 291 



