INDEX. 
GEO 
Barnhedston denis Whitfield, 368. 
Braintree, os Sra of, Do 65. 
ambrian, subdivisions of the, 478. 
Catskill ee ra continued in Peunsyl- | 
~ Vania, 
Chem mung, fauna of, Williams, 97, 311. 
Climatic changes 
Climatichnites Posteri, 2 odd, 233 
oes si r, discharge of the 
e 
sandst one and trap, 383, 474. | 
Silor - Wachsmuth and 
ig Clarke, 120. | 
Dera ras ponds cea, new, Clarke, 120. | 
23 
Earth, aides of, rita 464, 
— syte e of Milton, Mass., 475. 
ossils i 5 retamorphie ‘rocks of Bel- 
pee 
Geyser ’ etl and deposits, Leffmann, 
4, 351. 
Glacial drift of the Alps, 233. 
Upper aur region, White, | 
ere climate of, Whi ttney, 153, 
scratches, Pike Co., Penn., 
ag mee thickness of the continental, 
Goodale, 
237, 312, 
Alypioerinvs, ‘Wachsmuth and Sprin- 
55. 
Green River group in Montana, White, 
Hom ioryte, 
ids one origin of ridge 476, 
Jointed re, 152, 
J destetag of fasts North America, 
7 
Dana, 
Lake 8a Superior rocks, a , 155. 
g, in Glacial period, 156. 
Yeriaals pet oup, Molluseaof, White, 207. 
Lime Creek faun 5 ee ; 
Menevian argillites of Braintree, 
Mollusca of the ceca White, 207. 
non-marine fossil, 
N caneeaien deposits in Florida, 158. 
Obsidian, Yellowstone Park, 196, 
Oneida conglomerate, 4 
Pebidian eet A478. 
w fossil, Cope, 414. 
485 
LOGY — 
GEC 
Permian plants of hg 157. 
pt Pine: 
ri ec 
formable, Hati, 473. 
Reteocrinus, Wachsmeth and Springer, 
Ripple- marks, Dana, 
ee 8, induration no Pid ep 
ed 
ah 8 
ae oe Ye a ate Dark, Beam, 
ralle eys, buried, in Pennsylvania, 472. 
Volenate rocks of Cape Verdes, 393. 
Whale skeleton from Ontario, Daw- 
son, : 
Yellowstone Park, geological chemis- 
try of, Lefimann and Beam, 104, 35i. 
May electromagnetic theory of 
light, 1 
Glacier, te see a 
laser- -DeCew, G. Die peace 
chen und eg acaneiss schen Mas- 
asinon, 1 
G. L. “potanical notices, 161, 
ay Any botanical notices, 79, 162, 235, 
313, 394, 
nied sig from Brazil, 7 
DeC: — ve iy origin of cahevensd 
— 24) 
Engler’s Derelopment of the Vege- 
table Kin 
“26% A. R., Sphingide of North Amer- 
a, 210. 
Dana, 
Hypersiheneandest pas Colorado, Gayot, ee mar of KE, M. Museum, 
H 
C. E., geology of Philadelphia 
saan, 473. 
all, aS fe Aug coefficients of 
vations m metals, 
Une be Laseatitbicachlel New York 
pitt ologica urvey, : 
Smee battery and galvanic 
Hallock, W., 
polarization, 268. 
alogens, reciprocal displacement of the, 
305. 
Hanks, H. G., California Mineralogical 
port, 392. 
Harrington, B. J., Life of Logan, 386. _ 
at, see Temperature. .. 
