INDEX TO VOLUME XXIII. 
A 
emy iF sirens of California, Pro- 
ceding of 
aa uis, Transactions of, 450. 
Academy Nat Sci. Philad., vol. iii, part ili, 
ces Be 
gs of, 152 
pi snare Society of, 107. 
Aérosta rostats, 109. 
y phasis Livingston’ 8 discoveries, 139. 
ssiz, £., young Gar Pikes of Lake On- 
an 234! 
Alcohol, p ucts of oxydetian, of, 268. 
Aluminio, sineiiiees of, 111. 
alloy sof, 265. 
Ammoniacobalt sane Gibbs and Genth, 
Amo: morphism, von eas — 237. 
Anatomical models, 1 
Aneroid, observations poo H. Poole, be 
Ansted’s G. eology and Mineralogy, n 
FED) ita of, sg 
Bache, A 42. idee of Gulf of Mexico, “ 
on Predie n tables for Tides of U- S. 
coast. 
on cause of increase of Sandy Hook, 16 
tidal wave of rabinee River, 17. 
venieatie ‘of Atlantic sound- 
rig 
con 
Blake, W, P, te)laret of silver, Cal., 270. 
Blood, on fluorine in, Nicklés, 101. 
Boracie acid, q eusibains termination 
Sng, 129; A; ha stm a ase 
, 439 : Sullivant and 
 rrioaggre 439, 
Botany of Northern U. ae statistics of 
plants, A. Gray, 62, 369. 
of Madie yn &e. ee of species, J 
and 
cause of o closing of Sto- 
mates, H. pias 
ates be i Vectieaio, noes 127. 
Buf, #. compounds of Ethy- 
lene, me 
California Acad. Sci., egg of, 299, 
See farther, Geolog 
Canada, see hee 
| CapiSlarity, 445. 
a nic og agency of, in past time, yon 
S, 2 
||Carboniferous anemones of the Mississippi 
valley, J. Hall, 
of the U. Sta 
Caoutchoue, tree producing, 1 
ndler, C. F. shaven Chemical 
8. 
& R., mechanical theory of heat, 25. 
Clirnat te ‘wee Meteor qrology 
Coal, ng 1, J. 8. ewberry on formation 
Tel of the B. —— Fn gr a 
icanic geod on Hawaii, 435. 
Cont ‘ne of | 
Coral reefs, a of, in forming Florida, 
eA 
Crystallogeny, facts in, i114. 
ae ig 
{| Dalton, ; Memoir on, noticed, 449, 
‘|| Davis, ia K., meteor of July 8th, 133, 
Poole, 290. 
‘|[Dead S 
's Prodromps, noticed, 126, 
De ccsiery, meridian instruments 
A. sat 404, 
E 
in California, J. B. Trask, 341. 
ee length of most refrangible 
rays, 116. 
Electric illumination, 440. 
