INDEX TO VOLUME XI. 
4 
A. 
Abacus, by Rainey, noticed, 448. 
Academy Nat. ci. Philad., Journal cd pr 
»ceedings of, 1 
4 
Re cberk of hy Pate ps Cu. 
rators of, for the year 
Officers of, for 1851. 295. 
Acid, peat action on n homologues of, 107. 
alizaric, 110. 
ode -aiupharie, 254. 
eapronic 
chloro- naphthali, 110. 
a Min 
nitro tisonsie 112. 
cenanthic, 254. 
phtha lie ce, 110. 
thonaplthami 111. 
one to Conchology, 
Magirine, 226. 
Aerometric ata Potter, 114. 
ZEschynite 
African eecerany, 437, 433. 
new, discove 
African lak , 4338. 
Agassiz, on zoological classification, 122. 
ae og of the Mammoth Cave, 127. 
Agassiz an Gould's Principles of Zoology, 
Noticed, 
Alay fo photogenic glosses, 279. 
Alizarine, 110 
x umropie a of phosphorus, 29 255. 
on i , action of oil of, en animal 
+. system 
Alto aga Observatory Dr. Petersen appointed 
alt — Association, meeting gC 
announced, and list of officers, 
American de ccc Society ur *Philadel- 
phia, proceedings 
Amid compounds a pe ogen, 4 
Ammonia, action of sulphite of, Pria, 111. 
= Analysis of asphaltic coal of New Brunswick, 
ee of a sears chisel from Peru containing)| 
Andrews, J. W., barometric observations to 
White Mts., 138. 
Aneel and homolognes, theory of, 422. 
Lye 
nnals of . Hist. N. ¥., vol. v. 
te 1S neues 
Annual of S nif diecovery, noticed, 447. 
Apatite, analysis of, C. T. Jackson, 402. 
Apteryx w Zealand, 434. 
Arkansite of o35 
Echo of Science, noticed, | 
hes of certain teas, analyses of, £549, 
Asia Miers emery of, 53. 
oe of New Brunswick, C. T. 
Anis 
As 
ackso 
Rear “American, see Am 
rk on rene y ot by E. 
ve 
L 
Astronomical clock, new escapement for,406. 
oaaier Mago vers, 373. 
Dub, 418. 
ary no otice 
ato oun chaeusetons 
., of, 140. 
B. foi A 
Bachman, Ah work on Unity of Human Race, ice 
noticed, F 
“i » J. reply to, De In Roe on the 
es s telegraph, 7 : 
er, W., Monge on Statics, translated by, 
Barometric observations from Albany to 
White Mts., J. W. Andrews. , 138. 
see farther, Meteorology 
W. A. Cy Elements vu of Natural Phi- 
of Timeston, Ze D. Gale, 4. 
mt omere pa one er 
