Merriam, C. H., a new species of Motoma, 191.

Mesminite, 570.

Mesodon, 84.

Mesohippus, 1067.

Mesozoic of North America, 445.

Metakinesis, 142, 151.

Metaphase, 142.

Metazoa, origin of, 334, 419.
Meteorites, 72, 570.

Method of photographing serial sections, 1130.

of staining and fixing the elements of blood,677.
Methods of instruction in general geology, 616.
Metschnikoff on germ-layers, 334, 419.
Meyenia, 1119.

Michot, Norbert, death, 790.
Miclein filament, 17.

Microcosm, the lake as a, 1044.

Microlepidoti Zettel, 1018.

Micrometer, eye-piece, 477.

Microporus, 565.

Microscopy, 677.

Microsomata, 18, 31, 151.

Microtechnical notes, 1040.

Microtome, Ryder's, 298.

Micus, structure of, 71.

Middlesex Institute, 688.

Miers, E. J., 106.

Migration of the American magpie to Eastern

Nebraska, 1122.

Milkweeds, the, 605.

Mills, T. Wesley, isolated community in the

Bahama Islands, 685.

Mimetite, 1022.

Mimicry in arthropods, 185.

in caterpillar, 82.

Mimonectes, 185.

Mineralogical news, 373, 662, 850, 1109.

Mineralogy and petrography, 660, 1109.
Minerals, new, 1021.

Mink gnaws iron wire, 1124.
Miocene system, 455.
Mississippi, source of, 61.

Valley and the Great Lakes, 168.

Missouri River crow-roosts, 1121.

Mistassini Lake, 62.

Mitokinesis, 151.

Mitom, 151.

Mitosis, 151.

Mitsikuri, K., hydra turning inside out, 773.

Möbius, Karl, is called to Berlin as professor of

zoology, 790.

Moina, 186.

Molluscan eyes, preparation of, 401.

Molluscs, distribution of, 83.

notes on, 194, 291, 392, 780,

of Lake Tanganyika, 288.

of the Challenger Expedition, 392.

organ of smell, 486.

primary organs of, 388.

Monachus tropicalis, 257.

Monas, 17.

Mongolia, 561.

Mt. Lebanon region, geology of, 369.
Mt. Licancaur, 558.
Moulds, study of, 207.

Mouse, spermatozoa, 22.
Muir Glacier, 255, 360.

Murdoch, J., on East Greenlanders, 133
errors regarding Eskimo, 9.

Mushroom coral, structure of, 386.
Mycoderma, 2.

Myriapods and light perception, 384.
function of palpi, 384.

North American, 81.
notes on, 194, 946.

Mysis, development of, 293.
Myzostomata, Nansen's, 186.

Naples water-bath, 951.

National Academy of Sciences, the, 1046.
herbarium, the, 766.

Natural Science Association of Staten Island, 1045
Navajo head-flattening, 98.

deities of, 206.

of insects, 279.

Oligocene, 456.
Oligoclase, 1114.
Olivene, 372.

Onychodactylus, 139.
Opalina, 38, 138.
Opheocephalus, 190.
Opuntia, 354.
Orcella, 189.

Orchid, 19.

Orchis, 220, 612.

Organs, 26.

of smell in insects, 279.

Orientation in imbedding, 10, 1102.

Origin of a small race of turkeys, 3:0.
of American love terms, 99.

of cave faunæ, 82.

of placental types and on certain vestigiary
structures in the placenta of the mouse, 780.

Pleomorphs of quartz after fluorite, 473.

Plesiosaurus, 564.

Pleurocera, 86.

Pliocene flora, 467.

system, 45.

Pliolophus, 994.

Plistocene system, 459.

Plotus anhinga, 291.

Plotz, Karl, 106.

Plumatella, 186.

Pocket-rat, 42.

Podopterygia, 1017.

Poisonous sea-urchin, 193.
Pokorny, A., 493.

Polar corpuscle, 48.

globules in Crustacea, 203.
Polistes, 183.

Poljakow, J. S., St. Petersburg, died, 684.
Pollen, François G. L., 686.
Pollen-tubes of lobelia, 75.

Polycotylus, 564.

Sense-organs of arthropods, 182.
Crepidula, 486.

of insects, 279.

of Turbellarians, 1031.

of sponges, 485.

Senses of myriapods, 384.

of insects, 579, 1119.

Serpent mound, 786.
Serpentine, 569.

Sesarma, the genus, 1032.

Sex, significance of, 16, 138, 211.

in government, 399.

Sexual cells, 38.

characters in Cistudo, 88.

Seymour, A. B., injuries produced by parasitic

fungi upon their host, 1114.

Shrike, loggerhead, 90.

Shufeldt, R. W., 303, 601.

anatomy of the auks, 777.

arrow-release among the Navajos, 784.

turkey skull, the, 777.

Siderite, sphærosiderite, 1024.

Significance of sex, 16, 138, 211.

Silk-worm diseases, 482.

Sparrow, spermatozoa, 22.

Spelerpes guttolineatus Holbrook, in the vicinity
of Washington, D. C., 672.

Spencer, J. W., hillocks and boulders of decom-

position in Missouri, 366.

landslide at Brantford, Ontario, 267.
sand-boulders in the drift, or subaqueous
origin of the drift in Central Missouri, 917.
warping of the earth's crust in relation to the
great lakes, 168.

Spencer, W. Baldwin, 208.

describes structure of the pineal eye in Lacer-
tilia, 1126.

Spengel, J. G., called to Geissen, 788.
Spengel, W., 601.

Spermatid, 21.

Summer schools and universities, 747.

Sunflowers and ants, 295.

Sweden, science in, 409.

Symborodon, 1063.

trigonocerus, 1066.

Synagodus retusus, 1125.

mansuetus, Cope, 1126.

Syncitium, 18.

Synergid, 220.

Synocils, 485.

Synoicus, 291.

Synopsis of the Hymenoptera of America north

of Mexico, 772.

Synthesis of carbonates, 475.
Systemodon, 993.

Taconic paleontology, 270.
question restated, 114.
system, 238, 312.

Tæniodonta from the Puerco, 469.

Tæniosomi characterized, 86.

Tantalite, 1026.

Tapalpite, 1023.

Taphozous, 189.

Tapiridæ, 992.

Tapirus, 189.

Taraxacum officinale, 911.

Taxistia, o18.

Taylor, W. Edgar, migration of the American 1
magpie to Eastern Nebraska, 1122.
Missouri River crow-roosts, 1123.

Teall, J. J., hornblende rocks, 66ọ.
Teeth of Vertebrata, 463.

Temporary mounting, 478.

Tenney, S. G., nesting of Collyrio, 90.

Tenore, Vinçenzio, 493.

Terias lisa, 548.

Terquem, Olny, death, 1044.

Tertiary, 660.

Test, J. H., the glands in the foot of nudibranch
molluscs, 670.

Testudinata morphogeny of Carapace, 89.
Tetrarhynchobothrium, 199.

Texas, Cretaceous of, 469.
Cross-timbers of, 172.

Thalassicolla, 18.

Thirty-sixth Meeting of A. A. A. Science, 869.
Thomas on mammalian dentition, 1101.

Thompson, E. H, ruined cities of Yucatan, 787.

Thompson, Elizabeth, fund, 686.

Thrusts and strata, 267.

Ticholeptus beds, 456.
Tissues, 26.

Titanite, 1114.

Tomato, cherry, 55.

origin of, 573.

rot, 380.

strawberry, 53.

Tomb near the Holy Sepulchre, Jerusalem, dis-
covery of an ancient, 865.

Tongue of humming-birds, 941.

Wasatch group, 453.
Washakie group, 454.
Websky, Martín, 303.
Webskyite, 1021.

Webster, Clement L., on the glacial flow in Iowa,
758-760.

Weed, Clarence M., genera of North American
Phalangiinæ, 935.

homologies of the wing veins of insects, 932.
on Dipterous larvæ in Sarracenia purpurea,
382.

Weight of brain of birds, 389.
Weinkauf, H. C., 106.
Werneburg, A., 494.
West Indian seal, 257.
Western grebe, 291.

Westward extension of the black walnut, 929.
Whale-fishing, Bergen, Norway, Armauer Han-
sen, 685.

Wheaton, John M., 686.

White pine, growing parts of, 182.

River group, 455.

Whitfield, R. P., New Jersey Cretaceous, 66.
Whitman, C. O., 404.

biological instruction in universities, 507.
Wilder, B. G., brain of Ceratodus, 545.

classification of Vertebrata, 913.

Willemite, 475, 1023.

Williams, H. S., methods of instruction in gen-
eral geology, 616.

Wilson, E. B., on the study of moulds, 207.
Wilson, H. V., translation of Metschnikoff on
* germ-layers, 334, 419.

Wilson, Thomas, death, 953.

Winchell, N. H., classification and nomenclature
for the American Committee of International
Geological Congress, notes on, 693.
Winchell's Elements of Geology, 571.
Wind River group, 453.

Winter cress, 56.

Witch-hazel, 354:

Wolle's Fresh-Water Alge of the United States,

rocks of Fife, 274.