CON 
Complaisants, on board a vessel in 
the Mediterranean, XV1, 171. 
Compression of water, xii, 189. 
Comptonite, a new species, iv, 28. 
Conant, M., a new magnetic in- 
strument, xlix, 301.f 
Conchology,see Zootocy, Mollusca. 
Concretions, calcareous, in lime- 
stone, in Indiana, J. 7. Plummer, 
xliv, 283.f 
Condensation of gases, abstract of 
Faraday’s experiments on, vii, 
352. 
of sulphuretted hydrogen, vii, 
354. 
of carbonic acid, vii, 3854. 
of euchlorine, vil, 355. 
of nitrous oxide, vil, 355. 
of cyanogen, vil, 856. 
of ammonia, vil, 357. 
of muriatic acid, vil, 357. 
of chlorine, vil, 357. 
—t 
— 
and chloro-chromic acids, xxxv, 
374; xxxvi, 394.f 
—— J. K. Mitchell, xxxv, 
346.f 
i Lance XxX, LGOs, 
402, 404. 
Conduction of water, W. W. Math- 
er, xill, 868.4 
, as shown by Murray’s 
experiments, C. Dewey, xxviii, 
151; xxxi, 246. 
Confectionary, poisonous, xviii, 157. 
Conglomerate mica slate, in Massa- 
chusetts, vill, 244. 
, Potomac marble, xxvi, 221f 
XXVll, 22. 
Conic sections, new instrument for 
drawing the curves of, xv, 368.f 
, Prof. Benedict, xxxi, 
258.f 
, problem in, Prof. Da- 
vies, vi, 280.f 
Conite,a new mineral species, 11,354. 
Connecticut, on coal in, i, 2389; in, 
248; v, 44f; xxxiil, 163. 
, geology of N.Havenand Litch- 
field Cos., B. Silliman, ii, 201. 
of gases, J. Torrey’s experi- 
ments on carbonic, sulphurous 
” 
56 
a 
Connecticut, geology of Salisbury, 
C. A. Lee, vili, 252. 
——, geology of; trap and sand- 
stone in junction at Wallingford, 
A. B. Chapin, xxvii, 104.f 
trap rocks, B. Silliman, 
ai Tis), 
: section from Killingly 
to Haddam, W. W. Mather, xxi, 
94.f 
t , report on, by C. U. 
Shepard, noticed, xxxiil, 151. 
5 , survey of, authorized, 
xxvill, 381. ; 
, ores of, see under names of 
the Metals. 
valley, rocks of, vil, 25. 
, water courses and geol- 
ogy of, with account of terraces, 
ancient lakes, é&c., xxii, 205.f 
. , geological account of, 
E. Hitchcock, vi, \£, 2015 vii, 1.f 
, vertebral remains in 
sandstone of, E. Hitchcock, xxix, 
330. 
, fossil footprints in, E. 
Hitchcock, xxix, 307!; xxxi, 174; 
xxxil, 174; xli, 165; xlvi, 1138, 
2926, 390 ; xlviil, Gi 
—, —~—, J. Deane, 
xlv, 178 ; xlvi, 73! ; irik 381, 
399 ; Ehaiil 158f ; xlix, 79f, 213.4 
— , C. Lyell 
on, xlv, 394. 
—— — ., W.C.Red- 
field, stl 201. 
Recenves Ohio, notice of, xxxi, 
21. 
;| Conrad, T. A., notes on American 
geology, Xxxv, 237. 
, oncharacteristic fossils, xxxv, 
237, 246. 
, temperature of different geo- 
logical epochs, xxxv, 239. 
, cause of the features of the 
U. States, xxxv, 244. 
,on the tertiary fossils of 
America, xxiii, 204, 339. 
, description of tertiary shells, 
ina paper by J. T. Hodge, xli, 
344i 
