446 
ay oer omeng # plants, observations on, 
Hydr cate sary Fritzsche, xxvii, 120. 
Hydrocurburets, combinations of with 
hydracids, Berthelot, xxiv, 
Hydrogen, purhonon of, xxvi, "402. 
Hypnotism, xxix, 417. 
I. 
Ice, dissolution of, C. Whittlesey, xxix, 111. 
erties of, near its melting —— 
? 
stratification of vesicular, by pres- 
sure, on, Xxvii 
sudden disappearance "of, on lakes, 
n. Totten, XX 9. 
fgonare theory re drift, xxiv, a, 482, 
cebergs, northern, Kane, xxi 
Ichnology of aed Ps ani Hitchoock on, 
noticed, xxv 
Ichthyodorulites, Ain two, Leidy, xxi, 421. 
pgs — - related to, in Nebraska, 
Leidy, x 
ieee ke of, to magnifying 
power, Twining, xvi, 
peyiie wees in columbite, &e., Hermann, 
98, 
Incrustations on boilers, H. Wurtz, xxvi, 
igraniee matter, xxviii, 125, 
Indigo, decoloration of, by sesquioxyd of 
iron, xxix, 132. 
from the 5 es Caroliniana, xxiv, 
est, H. Wurtz, xxvi, 49. 
Togas E. B. po on, ae 4; 
ria in Oregon, xxvi, 1 
in sea of ‘Kamtschatka, Bailey, xxii, 1 
xxi, 434. 
W. Bailey, xxiii, 153, 
Kamtschatka, 
a ay Diatomacer, J.W. Bailey, 
Inland § eas f Africa, xxviii, 411. 
Insecta caine noticed, xxii 
“5 noxious, 
in so! ag 
of soundings, a 
ottom of sea of 
e Zoology. 
dicadations te in France e, xxii, 26 
Jodids of organic radicals, new, xxiv, 425. 
Iodine, crystal form of, 
Tron, double nitrosulphid of, xxyi, 106. 
influence o: is. on, xxiv, 
m steel, Bessemer’s pro- 
cess for, 
manufacturer's guide, for the U_S., 
xxviii, 156, 
orca of ome ayes, XXi, 
i ON ee ii, 121, 
protoxyd, reducing i of, wi 
caustic po vii, 124, 
, 286. 
Fitch on, noticed, xxiii, ||.7 
INDEX, VOLS. XXI—ZZXX. 
‘enkiee of prehnite and chrysolite, 
Isothermal lines, Hennessy on, xxiii, 144. 
Isthmus ot hope level &e. of, xxii, 273. 
tabirite r of 8. Carolina, kxi iv, 
iacotamite Sun: of 8. Carolina, xxiv, 145, 
, C. T., on agalmatolite, xxiv, 278. 
on ns hanes from Geo xxvii, 366. 
Jacks 
ae Cours de ay aa &e., noticed, 
XxVii, 259, xxix. 
on indices of te efractio 
on movement of nids i in ‘pono bod- 
ies, xxix. 
Janoyer, on the influence of sulphur on 
iron, xxiv, 330. 
Mapes sxpeulion, notice of — of yol- 
neluding natural history, xiv, 
tees of its botany to that of N. 
eh Gray, xxviii 
reys, J. G., tenes xxi, 482. 
Jennings, S. &., on aurora of "1856, xxx, 
Je oe Tobler’s planography of, xxvi, 
vi 
Johnson, A. S.,.on indicator stage for mi- 
croscopes, xi, 
Johnson, D. ere 
1860, xxx 
an 8. We. on some points of ae 
tural science. xxviii, 
on two sugars from Cal 
translation of “ ceri aon F< (0 
Johnson, W. R, on the rotascope, xxi, 
146. 
ere. C. mie, vap ry mode of preparing 
diatoms. ili 
on preparing and ater hard tis- 
sues for the arn ght 
r of ashes ‘about 
ones, Pa i, 
Quito, 990, 874. 
o, xxiii, 150, 161, 
on meteorite of May 1, 
on on ehonsl li _ xxiv, 
observations at Quit 
Jones, T. R., Aquarian Naturalist, ‘by, 2 
— Xxyi, 436. 
Fossil Entomostraca, noticed, 
giuarth liars Pisciculture, &c., xxi, 408. 
Journal of Am. Geog. and Statistical Soc., 
notice. of, xxix, 
of the et Dublin Soe., xxvii, 155. 
of the Royal. Geog. Soc. of London, 
notice 
Julien’s s Histoire et cornaierny de la Por- 
oise, noticed, Xx1 : 
, jdumsic, é 
Mh a ee » &Xi, 255. 
as 
Reica. Fe 319.5 
4 
off, Bailey, xxii 
Kamtschatk soundin 
a aan ag a lorations of, Te 
Kane, E. K., Ar 
"Reh ah ticed, xxv, 303. 
notice ’ 
gold-medal to, oa 
