500 
Coal, see GEOLOGY 
Color correction of double objectives, 
Hastings. 
Comet vii, 1881, et ag of i. 
Comets, notation of, 1 
Cook, G. kr New os Geological 
Report, 3 
Cooke, J. mig ne in western 
a Yo oe ro 
lg tae “cl a of New 
peed cae Wyo 
Copper lage ioe forme ro Real 
Crosby, W. ny geology of pata 8 
Bay, Mai 
sSewiaded ‘inerals in basalt of Table 
Mount 452. 
sob seeariicn of, 412. 
D 
Dana, E. S., monetite crystals, 405. 
oa Appendix to Dana’s Mineral- 
ogy, 4 
Dana. J. Di, flood of Connecticut valley | 
— 87, 179, 360. 
Darton, N. H, new locality for Hayesine, 
Da arwin, F., movements of leaves in the 
light, 245 
Dar rwin, G. H., lunar disturbance of 
gravity. 
Daubrée, on in strata, 
Derby, O. A., geology on ‘thie diamond, 
gold-bearin g rocks of Minas Geraes, 
azil, 178. 
Brazilian specimens of Si 373. 
Diffusion of solids into solids, 409. 
Dinosauria, see GEOLOGY. 
Dissocioscope, 
a ee photographs of spectrum of 
bula of Orion, 339 
Drops oe on wate 
Dun Pen, Sohisedeniske 
24. 
up Dutton, CO. E., oo Physics of the 
Earth’s Crust 
Dynamo- electric shines 147. 
E 
_ — of, 51. 
crust of, 
Rarthquslit] in ana le 337 
Seas one 
rican, Rockwood, 257. 
T, 41 
Sesto dhs "R sol paticg 160 
ison’s electrical meters, 52. 
Kichler, A. W., J Sete des konig- 
chen botanischen ns, 70. 
female flowers of Conitee: 418, 
INDEX. 
Electrical meters, Edison’s, 52. 
acuum, 149, 
Bete inertia of, 240. 
14, 415. 
Electrification by evaporation, Freeman, 
Ele ctrodes, disintegration of, 2 
Electrolytes, dielectric Solshantion in, 
Hlectro-magnetism, theory of, 
hole Bi 
Elliott , Seal-islands ae yore 
334, 
Emerson, B. K., dni rs Elzeolite-syen- 
on, B. 
ite in n New Jers 
ase Peele zine ore, 3 
Buglomann, G., female flowers of Gani 
fer; 
Ruvor. Botanische ogee a cbs 
Ether, nature of, Hunt, 123. 
meron Ha G., botanical notices, 159, 
Fe wakes. rs W., a Cercaria with caudal 
Fisher, 0., the Earth’s Crust, 2 
Flames, new arrangement for pega 
Fossil, see GEO 
“hab a Tables ‘for Determination of 
“Nin 
rar y, ‘electrification by evap- 
, 428, 
7 H., poppe -bearing region 
in nort ies Texas, 
Fusion, see Melting pointe, 
veem: 
oration 
rma 
G 
nett, H., the timber-line, 275. 
Gacdonsitc, gprs tion of, 409. 
Gases, elecirical resis eee 321, 487. 
scosity of phic d, 2 
Geikio. A. , Director-general of ‘spp 
y of Great Britain 
Gecloeical ns Sin Polane, 150. 
GEOLOGICAL AND SURVEYS— 
gett o Pg 
New Jers 
United sats aes, 452. 
‘Seog 
Amygdaloid of Brighton, Mass., 65. 
thra olor 
Basalt of 1 Table Mountain 452, 
Brick-clays ing 
cream-colored _ 
brioks § in Minnesota, 6 
Cincinnati rocks, fossils of, 65, 
Sia Jui eit 
