520 
aor hyposulphite, composition of, 
Solar system, bagel ge of, 402. 
e also Spectrum. 
Soldering by ss anal 336. 
cone ©. alvanee ear address, 
Round from in ae t radiant tees 
323, 324, 402, 
su pposed polarization of, 501 
Spectrum of ¢ und of carbon with 
pi ia aa Fis 8 rogen, 74, 
sorptio nig ei liquids, 500. 
pata b line j in, 323 
p hosphorograph of, Draper, 171. 
Standards of length, American, 240, 
Stevenson, J. 1 river-channels filled and 
re-erode es | 
Sulph-hyd ecto mee reactions of, 397. 
Sun, constitution of, Hastings, 33. 
se — - Todd, 491. 
Sun magnetic declination, 238. 
Swift's pela (a) 1881, 509. 
Tardy, red diluvium of Europe, 155. 
Terminology in geology, 326. 
Thallium-papers, meteorological use of, 
Thermometers, cryorioewet of, Russell,373. 
Geissler, 
Thermometry, Wala, rss “226, 6, 443. 
Thiesen, r thermo meters, 449. 
Thomsen's thermochemical investiga- 
Tidal friction, G. H. Darwin, 402. 
Time Semaia, distribution of, 414, 
Todd, D. P., solar para 
a 
Trow bridge, Je madara deine 74, 139, 
236, 323, 
effe ct os ola on magnetism, 316. 
U 
Utah, iron ores of Southern, 80. 
V 
Vanadium poor 
Verri eat: notices, 162. 
i, A. 
es squid at ame’ Banks in 1875, 
251 
INDEX. 
Verrill, A. E., eh Sanigeean of lost parts 
in the ot ae id, 3 
Sof Halysites, 60 
Voteanie action, volumes of “sol 
uid iron with reference is 
‘anna 
Volcanoes, eruptions of Mauna Loa, 79. 
Volumes at the boiling point, 136, 
aldo, L., thermometry, 57, 226, 443. 
Wappinger Valley limestone fossils, 78. 
ihe , 8., Botany of California, 251, 
Wetherby A, De Eee a Mollusks 
f North A 
Whites, J. fr, “tosell fishes on De- 
menac Bay, 4 
Caste ciisnons air- 
] 
., Climatic changes of later 
besa wien 
Williams, H. S., Proétus longicaudus, 
15 
anne lings in Devonian shales, 
chell, A., James Craig Watson, 62. 
Winchell N. iH, Dall’s observations on 
arctic ice, 3 
Wi a be abouboints Kryptogamen- 
Moule strength of, 
Wright, A. ay Ze smoky quartz, 
209. 
polarization of the corona, 334 
Wright, G. F., date of Glacial era, 120. 
Wurtz, A. D., Atomic Theory 337, 
Y 
pomtipay Park, geol. charts of, 244. 
Yourg, C. A., b-line in solar spectrum, 
Z 
Zeitschrift fiir Instramentenkunde, 253- 
.| Zine-ore deposits of Wieslock, 502. 
Zoo 
LOGY—- 
Haboe of ering genes of, 83. 
s, affini 
pe i seatir at ‘Gent ‘Banks, 25 
regeneration of lost — in, tis, 
See further under Gro 
