INDEX. 
Comet, first of 1851, discovered by D’ Arrest, 
; Second of 1851, discovered by Brorsen, 
ee of 1851, discovered by Brorsen, 
Confectionary, substances used in flavoring, 
Congelation of plants, J. Le Cont 
—s a causes modifying pees? of J.D.) 
origin of the Channels sa 
bee and = thé atoll form of islan 
J.D. Dana 
sland, = Geographical dis- 
ide a a J.D. De 
w, W. J, analysis of ‘Clinoediore, 222. 
sphoric acid by mo 
ate of Lime in stalactites, D. A. Wells, 11 
ystal, — pots, optical properties of, 
ont, 
; dig Fovben's 1S BB 8 8. 
of regular system, on aiabie refraction 
produced in, by compression, Wer 
Cryst: tal Palace, 
xhibition at, 352, 
Bef fig trey in the dry way, researches 
ae 
on 
Crustacea rpiteriet classification of, J. 
D. Dana, 1 
Cicanioaa Pagurides, J. D. Dana 
toma and the Pelphuside, 
Genus Heterograpsus of Lucas, 124. 
Daguerreotypes by electric light, 143. 
Dana J. D., on Coral reefs and Islands, 34, 
**Glasicatio of the «al apt 119. 
Paguridea, 12 
mg ie Genus eclsioees and the Tel- 
phuside, 123, 
Genus Het psus, 
_ Geographical fy enon of Coral reefs 
nds, 338. 
on rere 
$98: on 
res of Crystals, 
Daabony, Gi, An introduction to the atomic 
theo 
Dauibrée,’A 
Day’ 3 Algebra, gmap 444. 
Dead Sea, New ral in, 2 
tures of valley o' of, 297. 
ie, A. 296m of, by De La 
, Cavern with bones in France, 
on propylam 
W. Whewell’s lecture on the 
399. Freezi 
b’s Crystal Theory of the 
453 
E. 
seinen researches on mode of cooling, thick- 
ss of crust, &c, H. Henessy, Pik 
fo wae en, on 2 eleaton of some sub- 
stances, ; 
| Eclipse of sun, optical investigations con- 
nected with, 440. 
Bhrenber ona fall of Red Snow in Switzer- 
land, bbe 
Egypt, otes on climate of, 133. 
oe S. G. Morton’s views _on the, 
6 
ic telegraph applied to fire alarms, 58. 
agnetism, method of recording 7 
. distance, by 0. 
ll Blec 
Eleoutin 
| Elec " roselegrapiic progress, 300. 
angraving. on copying copper plate, on 
of A Me AS Geometry, by A. E. 
Church, noticed, 147 
99. Entomolog gy, new ‘species in, J. P. Kirtland, 
lzrdmann on the Dannemora iron beds, no- 
ticed, 
sie te J. Em) ’ Report by, on Bead no- 
El ‘allot of, Mallet, 1 
Etna, an excursion on, B. UBiiek , Jr. 178 
Sos oe Crystal Palace, Whewell’s lec- 
Eye iy vetracting pore &c., of, J. D. Forbes, 
F. 
. E,, on Carrollite, 418. 
Faraday, on ozone, 261. 
Fire alarms, cleric see applied to, 
hanning, 58, 
Faber, W. 
ish, peotiectiation of frozen, 14 : 
Fishes, Catalogue of Malayan, S 7 Fide, 
notice 7 
Forbes, E 's recent researches into the Nat- 
aoe His gis og the British Seas, 124. 
e eye, 
Forde and "Gelis, on sulphid of nitrogen, 
eezing o of Vegetables, J. _ 84, 
of Animals, 84, 143, 
Fat, constitution of = mrtg ye 260. 
G. 
vee oa battery, economical constant, C. G. 
257. 
Gamboge T ree of Siam, Dr. Christison, 137. 
Gases, magnetic relations of, Piece, n, 110. 
——s filled — water, 267. 
ogical y of France, Extracts from 
Neate of, 271. 
a, Barrande, 
Ditwvigl deposits or 
Blake, 335. 
Drift of Lake Superior, E. 
Downes, J Gecultatons vibe inthe 
Downes, J., Oceultations visible 
States, by, noticed, 203 
Desor, 93. 
os 
eae pe 
‘Iaisas,. Ww eeace! pred 110, 260, 409, 
“ee ss Coeatest bax Sinton Se 
a . on 
