INDEX. 403 
Dana, J. F. Prof. his miscellaneous pips: 163 
———_—___———— his galvano-magnetic yin 
his miscellaneous locating of minerals, 245 
Darlington, Wm. spk ey i uviometrical observations, 326 
Datura, Dr. Tull 
Davis, Prof. his ation eae of a problem in conic sections, 
2 
8 
Dean, James, Prof. his letter on a meteor, 322 ‘ 5 
Deflagrator, on its relations with the calorimeter and common 
battery, ¢ 
Delafield, Major, on American Andalusite, 176 
Denderali, zodiac of, 200 
Description of a new species of ee Aiea 103 
——————_ of a new species of Usnea 
urham, N. H. rocking stone in, 243 
Dykes of greenstone in sandstone, 55 
E. 
Eaton, Prof. on pli Igniarius, 177 
—_————— his communication on Animal Fat, 
Editor, his letter on the relations between Dr. “Hare? s galvanic 
instruments and the common battery, 337—on the fusion of 
ambago , 341—experiments upon the diamond and anthra- 
cite, sai. fasion of the latter, 349—remarks on the fluoric 
acid, 354—additional notice of the fused carbonaceous bodies, 
378 
rsypt, statistics of, 389 
Electro-Magnetism, 394 
uchlorine, preparation of, 
Expedition of Major pee notice of, 374 
F. 
Fasciculate, 226 
Fat, ag on, 377 
Fine Arts, 390 
Fishes. on the limits of their occurrence in high latitudes, 333 
Fluoric Acid, 354 
Foreign Literature and Science, 197, 384 
Formation, co 
Fossil shells, new work on, 197 
