GEO 
Grotocy, North American. 
} 
lina, natural walls of Rowan, xiv, 
242. 
= ; 4 » mining 
districts of western part, J. Peck, 
xxiii, 1.f 
: » origin 
and character Ae the low country, 
E. Mitchill, xiii, 3386. 
—— 
>] 9 
D. Olmsted's report, xiv, 230. 
: ; : , red sand- 
stone formation in, D. Olmsted, 
ii, 175. 
proposed, v, 202. 
? 
survey 
; A , &eorgia, Ala- 
bama and Blonidas with account 
of fossils in, silicified from ther- 
mal springs, C. U. Shepard, xxv, 
162. 
, Alabama, 
sketches on W. S. Porter, xiii, 
ds 
>— ; , Greene 
Cox dR: W. Withers, oie 187. 
; , , near Cen- 
terville, xlvili, 899. 
, the galt 
in, s. G. Merl onwmeevi rik O77. 
5 5 tertiary, 
with a list of fossils, xxv, 417, 
419. 
, —_, Fioridas, J. 
Pierced ix, LO! 
) ) » ——, Kast, re- 
marks on, xxxv, 60. 
; Viississippi 
valley, lower part, R. Nutt, xxiii, 
, —, —_, — _, L. Brin- 
gier, ill, 15. 
; , ——, Pexas, Trinity 
country, J. L. Riddell, xxxvii, 
211. 
; ; ; , hog-wai- 
low phat xxxIx. 211. 
, Ola, account 
ye S. P. Hildreth, X, DEV, 
217. 
, notice of 
106 
, United States, N. Car-| 
| 
GEO 
Grotoey, North American. 
, U. States, Ohio, valley, 
including partof Pennsylvaniaand 
Virginia, S. P. Hildreth, xxix, 1.£ 
—_, ——_, —, climate, 
biseabess Gee C. Alen xi, 224. 
Srp etareaciar Soleo ras) tertiary 
deposits, xxxiv, 360. 
: salifer- 
3 ) ’ 
ous formation, S. P. Hildreth, 
xxiv, 46; xxix, 26. 
; ,  buhr- 
stone, xxix, 142; xxxiv, 352. 
5 é 2 , grotto of 
plants, xxix, 18.f 
> — Falls of 
the Cuyahoga, Sikes "Hildreth, 
xxxi, 47.f 
, rocks of, 
b) 
; ——, Belmont 
Co., C. Anouieriak 226. 
9) | KEPORtS 
an noticeds of S P. Hildreth, 
xxxil, 190; xxxiv, 196, 347. 
: 5 ibid of 
W. W. I) Mather, xxxiv, 196, 347 ; 
xl, 126. 
; 4 , ibid, of 
Mr. Briggs, xxxiv, 197. 
a , , ibid, of 
Mr. Whitilesey, xxxiv, 197. 
- 5 : , coal, see 
Coal. 
3 : Western 
States, D. D. Owen, xliv, 365 ; 
xlv, 151, 163. 
—_, —_,, »J. Locke, 
xli, 160; xliii, 147 
, —, —, ——,, J. Hall, 
xlii, 51. 
G. W. 
9 9 9 
Featherstonhaugh’s report 
ticed, xxviil, 379 ; xxxil, 185. 
é ; Michigan, 
observations on, J. Pierce, x, 
304. 
no- 
, rocks of, 
) , mining 
region ae D. Houghton, xli, 183. 
