GEOLOGY— 
any ta a of later times, Whit- 
Coal, ooking, of Colorado, 6 
Coal-field near Cafion City. 6 , 1d 
Con “geree river glacial ood, ees 
87, 360. 
Co bpeerbe aring region in Texas 
cg intersecting zine ore, pan 
n, 3 
Diamond logy of, Derby, 
Dinosauria, claseificadi on of, ans 
wie ini, Cretaceous and recent, ype 
2, 40. 
Behinogoathns, Walcott, 
of Wyoming and New Mexico, 
Eozoon, controversy on, 418 
Barapees, new, Walco tt, 151, 213. 
m near Buffalo, 18. 
PER te" and eccen nie as co- 
fact ote t in : aoe periods, 6 
Foyaite dyke, New Jersey, ‘Eoown. 
Frenchman ’g Bay, Maine, 64. 
Glacial era climate, Le rh AL. 
— in Maine 
flood, 
of. Connection Valley, Dana, 
87, 17 9, 
perio: 
tricity in, 61. 
phe enomena in apt 242. 
in Minneso’ 
on the Delaw: 
seratches in ne MeLiits 338, 
Glaciers, moveme: 
riodical vareubas of, 56. 
nd, 363. 
of ‘Grastie 
rouse Bape rock, Brazil, Derby,178. 
structure clay and marl, 
ie ao 
Joints, in stra 6, 63. 
post-Glacial, Gilbert, 25. 
aide ves pat 243, 
coe! 
role ote of bccn America, 1 
lopods, new Devonian, Clarks 
Peecilo opod in the is bogge slate, 151. 
Pterodactyles, wings of, Mar “fe 251. 
Pterygotus from 418. 
il-cap motion, 59. 
‘Syenite, Quiney, 4 
Tides in early hie 23 
Trilobites, Primordial i in cee 65. 
Eocene, Cope. 
se hog apparatus illustrating pe of, 
INDEX. 
sek capontcn and eccen- © 
501 
Gibbs, J. W., tgs refraction nad dis- 
persion of ‘color 
d circular po- 
pian h o> 
Gilbert, G. K., posta joints, 25. 
fale ioahoan ns di- 
of tem 
Gravity Ht disturbia pe 
botanical mse ti 30, 159, 
24, ra 26, 492. 
nomenclature, 157. 
Gr a4 PS pebellarische Uebersicht der 
Mineral ien, 
Guides for Science Teaching, 336. 
H 
Hague, A. D., eae Industries, 162. 
Hailstorms, 249 
ae Bryozoans of the Upper Hel- 
‘deeb er, 
Halogens, ‘vapor-density of, 143. 
Hastings or correction of 
aie wees 67. 
Hazen, W. B., Signal Service Report, 7 
eat, Ppaecen Pomel theory of sos 
erti 
Southern United States, 
ae ne J. E., a te elec peer a 
of Coast Surv: 
Mill, £., pirate i and eccentricity in 
glacial} periods, 61. 
mys WF, 
Table Mountain, 
4 a-Trias of southwestern 
minerals in basalt of 
ills, a 
"Golorado, 4 
diopta: te m Arizona, 325. 
Holden, Tn ‘S. Gansit of Mercury, 1881. 
rings 3 of Saturn, 387. 
Holman, 8. W., method for calibrating 
thermom eters, 78. 
Hooker, J. D., Icones Su clgeiie i. 
ns, W., photograp f spectrum of 
ae of Orion, 335. 
‘ord, E., snow and ice under 
pressure, +. 
Hunt, T. S., celestial chemistry, 123. 
Hydrogen phosphide, spontaneously in- 
flammable, 
Ice under pressure, Hun gerford, 
Iles, M. W., smaltite in oleate: 360. 
vanadium in Leadville ores, 381. 
