S62 



INDEX. 



on communication from Lieut. 



Maury, 247. 



on specimens of fine Saxony 



wools, 250, 257. 



■ on Mr. Lea's paper, on unionidse, 



&c., 253, 254. 



on Mr. Lea's paper, on fossil 



footmarks, 261, 264. 



on laws of society, 265, 306. 



on Dr. Leidy's paper, on extinct 



American lion, 267, 269. 



on Dr. Leidy's paper, on . extinct 



dicotylinEe, 269, 272. 



on Dr. Wetherill's paper, on 'mi- 

 nerals from Reading, &c., 273, 

 284. 



on Mr. Tilghman's paper, on de- 

 composition of alkaline sul- 

 phates, 274, 279. ■ 



on Dr. AVetherill's paper, on a 



new variety of asphalt, 279, 

 282. 



on Dr. Kane's Arctic expedition, 



299, 305. 



on improvements in library, 306. 



on Dr. Leconte's paper, on clas- 

 sification of carabidse, 321, 323. 



on Dr. Leconte's paper, revision 



of elateridEB of U. S., 347, 350. 



Corner-stones, preservation of articles 

 in, 323, 325, 350. 



Cresson J. C, telescopic gasholder, 

 164; temperature of congelation, 

 168; fluctuations of barometer, 176. 



Crystalotype of moon, 312, 354. 



Daguerreotypes of moon, 208, 312, 

 354. 



Darlington, W., memorials of Bartram 

 and Marshall, 79. 



Denudation of the Pacific, 120. 



Diamonds from Brazil, 33 — Georgia, 

 106. 



Disc of silver, ancient Roman, 125. 



Discourse to Society, by President 

 Bache, 359. 



Donations for cabinet, 164, 167, 233, 

 269, 325, 345. 



for library, passim. 



Du Bois, W. E., gold from California, 

 177; coins, 198; gold from Austra- 

 lia, 313. 



Elateridte of U. S., 347. 



Election of of&cers, 1, 49, 119, 175, 



236, 301. 

 Electric current and velocity of light, 



135. 

 Emerson, Dr., proportions of sexes, 20. 



Felis atrox, 261. 

 Fitz, object glass, 87. 



Flax, prepared, 195. 



Fossil infusoria, 275. 



Fraley, F., progress of Smithsonian 

 building, 137. 



Franklin manuscripts, 110, 112; pa- 

 pers from, 134; metal enclosed in, 

 143, 147. 



Frazer, Prof., diamonds from Georgia, 

 106; transmission of sound, 118; 

 aurora borealis, 249; death of M. 

 Arago, 347. 



Galvanic apparatus, 269. 



Garland, L. C, observatory of Alaba- 

 ma, 103. 



Gilliss, Lieut., longitude of Washing- 

 ton observatory, 84. 



Gilpin, T., influence of moon upon 

 weather, 117. 



Gold, — in Maryland, 84 ; probable ef- 

 fects of increase, 148; in Indiana, 

 150; large mass, 177; in Pennsyl- 

 vania, 274; from Australia, 313; 

 on Delaware, 313. 



Gi'eene, G. W,, correspondence of Gen. 

 Greene, 25, 72. 



Haldeman, Prof., additions to paper 

 on longicornia, 3; apparent projec- 

 tion of star during occultation, 

 16. 



Hays, Dr. , galvanic apparatus, 269. 



Henry, Prof., radiation of heat, 108. 



Historical Soc. Penn. may copy por- 

 traits, 193, 253. 



Ice-drift of Baffin's bay, 284. 

 Ideas, communication of by electrici- 

 ty, 233. 

 "Indian walk" of 1737, 126. 



Justice, Mr., exhibits spy-glass, '41 ; 

 oxidation of object-glass, 69, 108; 

 gold from Maryland, 84 ; parallactic 

 telescope, 99; rise of Mississippi, 

 99; incrustation from Avreck, 122; 

 wheat-worm, 162; Washington half 

 dollar, 170; wire gauze in near 

 sightedness, 171; daguerreotypes of 

 Moon, 208, 354; protococcus niva- 

 lis, 262; polarization, 305; crystal- 

 otype of moon, 312, 354; Klinker- 

 fuss' comet, 342. 



Kahler, W., motion of planets, 103, 

 106. 



Kane, Dr. E. K., letter on American 

 Arctic expedition, 159; vegetables 

 from Arctic ice, 266; ice-drift of 

 Baffin's bay, 284; new expedition, 

 321 ; thanks to Society, 332. 



Kane, J. K., Arctic expedition, 224, 



