508 
Comstock, W. J., oe from Hual- 
lanea, Peru 
Cooke, Z F Jr. ed notes, 248, 323, 
406. 
magic mirrors of Japan, 
Cooke, M. C., North American Pousti 
Crookes, W., lines of molecular pressure, 
radiometer, 481. 
Current interrupter, 407. 
D 
N., clay-slates and grits of 
te 
Dale, 
Poughochein 
Dall, W Alaska chitons and limpets, 
Damour, ype chrysolite, 334. 
Dana, E. S., alogical notes, 333. 
Fairfield ‘Soueke minerals, 359. 
J. D., mountain-making by the 
y and Con- 
Hudson River age of the Taconic 
schists, 375. 
~Danielssen, D. C., Fauna Littoralis Nor- 
vegiee, 2 
Darwin, a H, —— of mountains 
and secular coo =~ ngeey 320. 
e Dav- 
semi-metamorphic fossil - bearing 
rocks containing serpentine, 327. 
Decipium 
s Detalatolan cadiouoh ium, philippium 
— of ytterbia in cipyitie 
Demel, am ede t : Bugs 480. 
Demole, action of hypobromous acid on 
ethylene dibromide, 247. 
Derby, 0. A., Geology of Lower Ama- 
Dip, method of termining, Hodges, — 
Delier, C., composition of spodume 
and ‘petalite, 33 
Draper, J. C., ak — of oxygen in 
yO B, eeu Pps gue : 
physical properties of steel rails, 34 
5 geen W. B,, fossils — Smee 
valley limestone, 38 
a E 
Earthquake of Nov. 18, 1878, 260. 
Earthquakes, recent American, Rock- 
INDEX. 
Eclipse, Ste — observation 
of, Bar 
observations at Ft. Worth, Tex., 495. 
ison of the tasimeter, 52. 
Kikosylen 
Ele petrielty havi of as the Pegi 
Elements, nature of, Lockyer, 95: 
let ., North American Pon at, 
1. function of the sterile filament 
of 1 Pen 
Pahylens, elit of hypo-chlorous oxide 
Ee.ydenaming silver sulphate, Miater, 
427. 
F 
Farlow, W. G., botanical notices, 71, 256, 
Farmer 
electric ¢ light, 
ae ng of particles, Hilgard, 205. 
ne, W. M., Mesozoic strata of Vir- 
, economy and subdivision of the 
Fraude, phthalein e3 orthoeresol 405. 
Fr ommel, production of aurin, 480. 
Fusing points, A ocuinalics, of, 402. 
G 
ae specifi heat and heat of fusion 
of, 1 
Galranomete, new absolute, Hodges, 475. 
Gases, a? nation of, by electric dis- 
charges, 
Geological Congres rapa oc 15. 
GEOLOG: 
Fortith Parallel I (King’s), 66, 6 110. 
Now — nn 
Ohio. 
Sccinieauiei sh , 485. 
Ter iat pee re 409, 415. 
Wisco 
Geological meas of London, 414. 
GEO. 
Tianaas, geology of the lower, Rath- 
464. 
Arctic a flora, 7 
m the of Iowa, 410. 
Cincinnati group, 484. 
Clay-slates and grits of Poughkeepsie, 
Coal, bowlders in, Hicks, 6 
Coral reefs of Brazil, priaes 326. 
Cordaites, frui it-bearing, 409. 
Dinosa oy American Jurassic, Marsh, 
86, 181 
