500 
Corwin, sg ra oth eo sone 
Craig, T., Tre jectio ons, 245 
Croll, J., ‘Wallace’ s a eae of the 
physical an of secular changes of 
ores 81, 
rot. nee Made rejoinder, 343. 
oro, W sanidine and topaz from Colo- 
D 
Dale, - aes , geology of Rhode Island, 
21%, 
na, A S, herderite from Maine, 73, 
9. 
22 
mineralogical notes, 479. 
gene be Die Fe cna ira geological 
Man cial climate 
phenomena of the Champlain period, 
of Wisconsin, 146. 
obituary of G 
h 
Daniell, A., Principles of Physi 
awson, J. retaceous eae “ert ry 
Floras of British, Columbia 
Day, Dz F., eee of the Mae of 
ong 
Derby, O. ee  aaasiad minerals, 73. 
rocks in Brazil. 138. 
Diamond, fash eae tanh of the, 317. 
Dutton, a warmer climate 
on glaciers 
ight, W. B. cinsit the Wappinger 
Valley limestone e, 
Dynamo-electric uehine: theory of, 57. 
E 
Earth, structure of, Suess, 1 
Barthquakes, Bigs inaase foc 358. 
EOLOG 
rG 
Blastiiy of solide, 140. 
preg ts of, 159. 
on pro- 
duction of, by indue tion-machines, 316. 
istance, expression of, Nipher, 
465. 
source of atmospheric, 
theory of dynamo echt ig 
carbamate, new reaction of, 4 
stigniease and molecular Weighs 233, 
; ae w, dimorphism in the genus 
- Cambarus, 42, 
INDEX 
Ferric hydrate, clloda, 403. 
Floating bodies athe theory of capil. 
aes of Ohio Tver, eae Dana, 419. 
Fossil, see GEOLO 
Frank, B., Die Pianeankeaak balan 415. 
G 
Galvanometer, aperiodic, 5 
Gardiner, J. T., Report - New York 
S$ ‘418, 
Gases, reduction to — Halsoens 315, 
abe OLOGICAL REPORTS AND SURVEYS— 
Canada, 410, 496. 
New Jersey, 408. 
New York, 418 
] ’ennsylvania, 6 89, 71, 149, 153, 407. 
Territo 
: penenbeiys “at 
United States, th “16, 94, 349. 
Wisconsin. 
aft Society of London, 421. 
and Potsdam groups, simi- 
d, 321. 
ars: ; 
Alabama, phosphatic " deposits in, 
Andesites of the Great Basin, 66, 453. 
Buried valleys in Poh. = sy hate 149. 
Burlington limestone in New Mexico, 
__ Spring otek 
w, Dwight, 254. 
ants sa 
te, " gee Glacial Clim 
Canoe and lead o| of “Wisconsin 
f, Cha iin 
Copper bearing prin aay Potsdam, 
Crinoids, fossil, Miller, \ 
Decay of 
Delaware gravels, Ches 
Devonian of ae Whit 150. 
Didelphys pygmea, Scott, 
inichthys os Ringueber, 
eerie ah rican Jurassic, ten. 
161, 
Diplodoes s, characters of, Marsh, 161. 
Dunyte =y N. Carolina, Julien, 72. 
Sr ies raed of the Great 
Foukprioas human, in inate rege 
Fossils erystalline limestone 
eastern Pennsylvania, Prime, 69. 
rocks in Bra “Der 138. © 
t Basin, Gil- 
