A12 
Carbonic acid conde et 
ved from wells, 206. 
Cataract, degeabee redidval of, 13 
Catlin, Mr his journey to Coteau 
des Prairies, s, 138. 
ic examination of the eye, 187. 
Cavities in chalk filled with gravel, 122. 
cable, corrosion of, = 
Charcoal burning, dea adly e ffects of, 134. 
Chemistry, pean? theory of bodies, 115. 
Law of substitutions, 114. 
Chemist teralogy, necion B, 
British Association, 114 
ter’s Manual of reviewed, 
29. 
Sao writing, 398. 
Circular of Brit. Association, 10th meet- 
i “407, 
mic iron ore analyzed, 
d, 243. 
Classification of rocks, letter of R. I. Eivella esculenta, 
n r 
i¢] 
on 
Gierada of British se 129. 
Co , lectures on atansiiad: 390. 
INDEX. 
Earthen ware pers of millstone grit, 127. 
Eaton’s Manual of Botany, 378. 
ae ony solar, of May 14 and 15, 1836, 
of Sept. 18, 1838, 158, 
163, 171, 174. 
Ehrenberg , discoveries in fossil infu- 
sorial animalcu les, 405. 
oe te experimental researches in, 
Faraday, 378. 
Electricity and magnetism, contributions 
0, 170, 209. 
ordinary, induced currents pro- 
duced from, 2: 
Ele ctrical se in metalliferous veins, 
Blectro-dynamie oo et 209. 
“es — Shark, 19) 
oth, sara on its eggs, 385. 
1 
on Lycopodon gigante- 
um, 
Emys Blandingii, 195. 
a a = one seen by Encke, 378. pene. s letter to Prof. Bache, 184. 
rope, geological map o 
of, 126. 
Conductors, ‘electrical, effects of introdu- Exchanges of shells and insects, 
cing substances between 
Conrad, T. Aon Caradoe sandstone, 87. 
udlow Rocks, 89. 
Sertiens on plastic sag 91. 
of Gnathodon, 92 
on Silurian system 
Wenlock shale and limestone, rey , 
88. 
Cotta, Hr. Dr., on footmarks in sand- 
stone, 255. 
Cotton of commerce, cultivation of, 131. 
peck ee Prairies, Catlin’s acc "t of, 138. 
ricana pores 
Crner "af SE gicba, wa nimum thickness of, 
Crystals, ee of, in mica, — 
ba, chromic iron of, analyze 
oe 
Current, seatriedl, induced on itself, 212. 
of third, fourth, and 
fifih order 
© 
, 226. 
urrents, secondary, a produced, 215, 
t a distance, 219. 
D. 
Delphinula, new species, 193. 
Dewey, Prof. C., on aurora and sunsets, 
Sister. common, ar 
Donation o American Philo- 
” Philadelphia, 156. 
Du Ponceau on Chinese writing, 400. 
Dyke of trap in Cumberland, 127. 
E. 
Earthquakes, severe, in Burmah, 385. 
108. 
Earth’s temperature in dee mines, 
near Edinburgh, by Prof. Forbes 
|Eye 
205. 
oane Expedition, U.8., pr ogress of, 
; catoptric examination of, 190. 
F. 
M., a letter to him from Dr. 
Har 
Experimental researches in 
electricity, 378. 
Feet of animals, impressions of, 127. 
Fermentation, Satara nts on, 120 
Fish fossil of Aga 
reptiles, and bird 
reports on, eeiesd by Mr. Binney, 
fifteen Hh ate from Ohio named, 392. 
ays 
eee of Kogaad additions fag 133. 
ossil reat Britai 
Forbes on mica for palais Tight, 101. 
Formule alauve to comets, 160. 
G. 
Galvanic battery used i = bless 33. 
ems, practica remar 
Geology and Geography i in British Asso- 
Goul 
rent la, 18 
agra new oe of, 
‘Ww species 
d, Ae A., jos of Delphinu- 
thirteen species of shells, 196- 
