812 
Scudder, N. P., on muskrat skeletons, 
739. 
Scudder, S. H., on Anthracomartus from 
Arkansas, 207. 
Scyramathia Carpenteri, 713. 
Sea-water, effect of, on iron, 693. 
Seaside laboratory at Annisquam, 469. 
SkcHENOFF, I. The scientific activity of 
the Russian universities during the last 
twenty-five years, 756. 
Seconde société de Teyler, prize of, 467. 
Sedalia society of natural history, 268. 
Sediments, classification of, 748. 
Seebohm’s English village community, 
786. 
Segestria canites, 334. 
Segmental organs in odonate larvae, 25. 
Selachian, peculiar, id. 116. 
Sella, Quintino, 609. 
Selwyn, A. R. C., on geology of Lake 
Superior, 675. 
Senecio triangularis, 253. 
Serenoa serrulata, 629. 
Serpula dianthus, 554. 
Servia, paraftine shale deposits of, 771. 
Sexes of flowers, 554. 
Sextularia globulosa, 295. 
Sharks, carboniferous genus of, 275. 
Sharp, Benjamin, 212, 342; on visual 
organs of Solen ensis, 237. 
Shells, fresh-water, increase of, 425. 
Sheppare’s Darwinism stated by Darwin 
himselt, reviewcd, 461. 
Shoolbred’s Measurement of electricity, 
reviewed, 69z. 
SHUFELDT, R. W. Osteology of the cor- 
morant, 148, 474; osteology of the large- 
mouthed black bass (Micropterus sal- 
moides), 532, 749. 
Shufeldt, R. W., on Micropterus sal- 
moides, 738. 
Shumway, W. A., on topography of Ap- 
palachians, 604. Z 
Sialia arctica, 296. 
Siemens, Charles William, portrait, 34. 
Signal-service, 344. 
Silk-culture in the colonies, 431, 562. 
Silk-manufacture in the United States, re- 
viewed, 290. 
Silver-deposits of New York, 737. 
Simocephalus daphnoideus, 494. 
Singing snails, 370. 
Siouan tribes, classification of, 605. 
Sipunculus nudus, development of, 682. 
Skeleton from Mentone, 7d/. 541. 
Skidor in United States, 33; 
740. 
Skies, colored, 99; red, 30, 37, 170, 172, 
231; in China, 121; in Pacific, 216; up- 
perglow of, 148. 
Skulls, flathead, from Arkansas mounds, 
737. 
Slugs, 770. 
SmirH, Eugene <A. Cretaceous phos- 
phates in Alabama, 586. 
Smith, H., on temperature of water, 523. 
Smith, Robert Angus, 800. 
Smith, Rosa, on spiders, 24. 
Smith Sound, 622. 
Snakes, intelligence of, 253. 
SNELL, 8. C. Rainfallat Amherst, Mass., 
431. 
Snow, analyses of, 168; volcanic dust in, 
189. 
Snowballs, natural, 114. 
Société des é€lectriciens, 140. 
Societies, scientific, need of workers in, 
671. 
Society of arts. See Massachusetts insti- 
tute of technology, society of arts. 
Society of naturalists of eastern United 
States, 27; address of Professor Hyatt 
before, 44; of Moscow, 55. 
‘Solen ensis, visual organs of, 287. 
Somal country, exploration of, 800. 
Song, 231. 
Sorghum-sugar, report on, reviewed, 161. 
Sound-waves, transmission of, 474. 
races on, 
South Kensington museum, visitors at, . 
212. 
South-Sea Islands, anthropology of, 470. 
Spang’s Lightning protection, reviewed, 
160. 
SCIENCE. — INDEX TO VOLUME IIL 
Spectrum-photography, 699, 726. 
Speech, 231. 
Speir’s psychological questions, 426. 
Speiskobalt, rhombic modification of, 
266. 
Spencer, Herbert, travels of, 771. 
Spores philosophy of the unknowable, 
Wife 
Sphaerium lacustre, 425. 
Sphyropicus ruber, 296. 
Spicula amoris, 342. 
Spiders, 24; longevity in, 4. 
Spider’s device in lifting, 305, 77. 432. 
Spirea millefolium, 236. 
Spirifer lineatus, 33. 
Spirifera disjuncta, 374; lineata, 60; meso- 
costalis, 374, 421; mesostrialis, 374. 
Spiriferina ziczac, 421. 
Spirifers of upper Devonian, 374. 
Spondylus Gussoni, 658. 
Sponges, fossil, 666; from Florida, 687; 
fresh-water, 335, 737. 
Spongilla fragilis, 335. 
epocrehaped ornaments from mounds, 
34, 
Sporangites in clay, 287. 
Springs of Florida, 333. 
Squali, structural features of, 738. 
SquizER, G. H. The taults of south-west- 
ern Virginia, 7//. 614. 
Pieudend natural history series, 28; time, 
Os 
Stanley’s note-book, 800. 
State agricultural experiment-stations, 
492. 
Staten Island, natural science association 
of, 24, 165, 423, 583, 694. 
Steam-boiler, safety-seam, 79. 
Steam-engine indicators, 601. 
Stearns on Pyrgula nevadensis, 468. 
Steatornis caripensis, 208, 425. 
Steel, age of, 790: oxidizability of, 470; 
resilience of, 295. 
Stellar parallax, determinations of, 456, 
612. 
Sterna fuliginosa, 216. 
Sternberg. See Magnin and Sternberg. 
Steward. See Brooks and Steward. 
Stewart, S. N., on current motor, 606. 
SToKEs, A. C. The reproduction of 
Clathrulina elegans, 3038. 
Stokes, A. C., on Cynips quercus-corni- 
gera, 494; on Tarantula arenicola Scud- 
der, 768. 
Stokes’s Lectures on light, reviewed, 765; 
mathematical and physical papers, re- 
viewed, 204, 
Stoll’s Ethnography of Guatemala, re- 
viewed, 794. 
Stone, E. J., on the astronomical labors of 
Mr. Common, 544. 
SToNE, W. E. Another ‘yellow day,’ 
586. 
Stone age, discovery of village of, 610; 
head from Staten Island, 695. 
Storm-disk, winds within, 7//. 402. 
Strawterry-flower, retrograde metamor- 
phosis of, z//. 302. 
Streams, effect of woods on, 422. 
Streptopus roseus, 253. 
Struthiopteris germanica, 768. 
Struve, Otto, on parallax measurements, 
640. 
Study at home, 348. 
STURTEVANT, E, L. Rhythmic varia- 
tions, 503. 
Suctoria, revision of, 235. 
Sudan, false prophet of, 199. 
Suez Canal, 140. 
Sulphur, average product of, 369. 
Summer course in botany, 668. 
Sun-dials, 526. 
Sun-glows, 336. 
Sun-spot maximum, 599; the periodical 
change of, 585. 
Sunsets, red, 3, 302. 
Surveys in Russia, 698. 
Swamps, drainage of, 667. 
Swindler, scientific, 245. 
Swine-plague, germ of, 155. 
Symons, G. J. The Krakatoa eruption, 
244; the red skies, 172. 
Syndosmya longicallis, 657. 
T., W. Romalea microptera, 33. é 
T., W. B. Illusive memory, 345; is ma- 
terial contact possible? 401. 
Taconic question, 675. 
Taenia flavopunctata, 666. 
Tahoe, Lake, physical studies of, 268. 
Tailed child, 673. 
Tait on reality of force, 700. 
Talisman, Crustacea dredged by, wl. 713; 
discoveries by, 429; dredging appara- 
tus of, zl. 448; expedition of, 168; in- 
vertebrates of, il/. 657; fishes collected 
by, td. 628. 
Tamias striata, 67. 
TANNER, Z. L. The cruise of the Alba- 
Lees from Curagoa to Aspinwall, 
90. 
'Tape-worms, 666. 
Tapes diversa, 373; staminea, 373. 
Tarantula arenicola, 768. 
TaRR, R. S. Carnivorous habits of the 
muskrat, 457 ; cod-hatching experiments 
at Gloucester, 189. 
Taylor, T., on detection of imitation but- 
ter, 583; on new micrometer, 739. 
Technical education in Europe, 789. 
Telegraph, optical, 468. 
Telegraphing to China, mode of, 638. 
Telegraphy, multiplex, 394. 
Teleosts, embryology of, 802. | 
Mae a gloved hand; as, 7¢/U. 
0. 
Telescope, Vienna, z//. 380. 
Telescopes, great, 487. 
Telpherage, 799.. 
Temperature in Germany, 546; of water 
in lakes and oceans, 523. 
Tennant, J. F., on humidity and chro- 
nometer rates, 287. 
Tennessee, mineral springs in, 493; tim- 
ber of, 234; topography of, 206. 
Tenting-school, 208. 
Terebratula Guerangeri, 325. 
Terramares, 470. 
Tertiary in Alabama, 32; plants, two spe- 
cies of, 2d/. 433. 
Testing-machines, improvements in, 2//. 
312. 
Tetrao obscurus, 225. 
Text-books, duty on, 62; excellence of 
American, 271. 
Textularia globosa, 216. 
Thallassaetus leucopterus, 424. 
Thatching-ant, 423. 
Thermometer exposure, 306, 563; stand- 
ard, 33. * ; 
Tuomas, B. W. Macrospores in ‘the 
rocks about Chicago, 215. , 
THomas, Cyrus. The Codex Cortesianus, 
458; the Etowah mounds, zl/. 779; iron 
from North-Carolina mounds, i//. 308; 
a mound of the Kanawha valley, id. 
619; spool-shaped ornaments from 
mounds, 434. 
Thompson, G., on ascent of Mount Shasta, 
27; on glaciers on Mount Shasta, 208; 
on ice-banners, 522; on Mount Shasta, 
265; on north wind of California, 
334, 
Thompson’s map of Mount Shasta, 522. 
Thomson, W., lectures by, 555. 
Thomson’s Vortex rings, reviewed, 289. 
Thouar, 660. 
Thunder-storms, study of, 2. 
THURSTON, R. H. The age of steel, 790; 
a new motor, 630; Sir Charles William 
Siemens, portrait, 34. 
Thymus glands, development of, 725. 
Thyroid glands, development of, 725. 
Tidal observations, 55. 
Tide-predicting machine, 7//. 408. 
Tides, high, 402, 473. 
TILITOIANIAC. The Greely relief expedi- 
tion, 172. 
Timber, waste of, 234. 
Time, unification of, 517; 
electric, i//. 401. 
Tin ore from Dakota, 209. 
Tinnunculus sparverius, 296. 
TISSANDIER, G. Electric balloon, 7d. 
152, 196. 
Titaniferous iron ore, 676. 
T’linkit Indians, 297. 
signals, 59; 
