INDEX TO VOL. XXXVIII. 
A. 
‘aha cece oo for solidifying, 
0 
Prof. PC. B., new species of Del- 
ere ula, 193. 
Shells obtained by dredging, and 
ecies, 396. 
Agriculture, collection of statistics, 135. 
Alge exchanges of minerals, 
Allen, Bi, some “ R. Hare on the Provi- 
dence 
Alligator, a hogy’ one killed at Manilla, 
account of, 313. 
merican seetiehs er Advancement! 
of Scien sre 179. 
sophia 7 at Pro- 
ceedings, ‘er tract of, 
Ansiyal sis Chrom hen: a 
, 120. 
on Ore and Anthracites, 
382. 
of a meteoric mass from East 
Tennessee, by Troost, 
Nbr a marble from Ver- 
-mont, by Jackson, 
_ water ae British Channel, 
Pr mariana, 196. 
r, indications of, 103. 
Annee Expedit 
w inane repressing he- 
morrhage from, 133. 
red appearance of their coats, 
Association, Gees hg meeting of, an- 
nounced at Glas 406. 
‘ireular of to scien- 
tifie men, 406. 
Atmospheric distribution, inequalities in, 
eee of Harlan, geognostic posi- 
tion of, 381. 
Beaumontite, a new mineral species de- 
d, 198. 
n birds, and fish, and 
393. 
Birds, ‘babite wi certain species 
ting rocks by galvanic and electrical 
excitement, a aes 
Booth, J. C., anal , 243, 
Bounycastl, Prof. C., on poe depth of 
the sea as determined by echo, 161. 
Bo an “Socie ty of Natural Hine: ab- 
stract of chest 2b 7007 fon from June 5 
Oct. 2 to 
otany and Zoology, section A, of Brit- 
ish a en n Proceedings, 
Boye, M ai new compound of pla- 
kee 
mode of examination, 133. 
cadee, 195. 
ts of certain birds, 
rain, ma. 
B 
Brewer oa sr gee of Chi 
bits 
Bridges, Ithiel Town’s improvements in, 
||Bridge across James River, 286. 
‘gpg peered minerals poe shells to N. 
atural History, 19) 
British feces on, 9th me eting, abstract 
of proceedings, 93. 
British cater for Advancement of 
Science, 10th meeting of announced, 
406. 
R. I. Murchison’s 
letter to Prof: gros on, 406. 
e bearers of, 10th 
meeting, 407. 
Antarctic Expedition, 204. 
Cc » Water pac analyzed, 
12. 
Burmah, earthquakes in, 385. 
Atoms of organic compounds, how rela- 
ted, 121. 
Aurora Borealis of So os 3d, 260, od C- 
and sunset at ochester, 146, riggs itied by Dr. Hare, 181, 189. 
B. Calculus treated by lithotri wt 
Calorimeter, a new one by b re, 109. 
Calymene Bufo, inferior iF ies 410. 
Cc 
Bache, Prof. A. D., on American Meteo- 
rology, 95. 
on the rapid corrosio 
of a chain dares te 177. 
‘ m and calcium, ‘how p 
pared, 115 
meteorological hsitrei 
Capillary action, a new development of, 
burets, map of, 118. 
Barometer, new mode of filling, 109. 
Car 
Carcharias obscur 
