INDEX. 



387 



Chew, Benjamin, 81. 

 Cloud, Joseph, 186. 

 Conynaham, Redmond, 258. 

 Dunn, Nathan, 110. 

 Gaston, Judge, 44 

 Gum mere. Prof., 173. . 

 Humphre3's, Saml., 277. 

 Jacobs, Dr. William, 104. 

 Keating, Wm. H , 1-58. 

 Kent, Chancellor, 378. 

 Lukens, Isaiah, 294. 

 Mease, Dr. James, 254. 

 Nicollet, J. N., 11. 

 Penn, Granville, 137. 

 Sanderson, Prof, 56. 

 Story, Hon. Joseph, 196. 

 Thompson, Prof, 344. 

 Warden, David B., 208. 

 Obituary notices delivered by, — 



Mr. Dillingham on Judge Gaston, 



49. 

 Prof. Hart on Prof John Sander- 

 son, 62. 

 Dr. Horner on Dr. W. S. Jacobs, 



173. 

 Dr. Patterson on J. Gummere, 



215. 

 Mr. Lea on Mathew Carey, 249. 

 Col. Abert on Mr. Nicollet, 273. 

 Bishop Potter on Redmond Co- 

 ny ngham, 296. 

 Obituary notices, gentlemen excused 

 from preparing, 155, 173, 200, 208, 

 307. 

 Observatory buildings, plans for, by 



Mr. Justice, 209. 

 Ocular spectra. Dr. Coates, 239. 

 Officers and council, report, 254, 294 

 Ord, Mr., re-elected Librarian, 38, 137, 



232, 302 — offers resolution, 274. 

 Ore, brown hematite, Dr. Boye, 238. 

 Organic remains, Mr. T. Gilpin, 27. 

 Owen, Richard, remarks upon Doctor 

 Meigs' paper on didelphis virginiana, 

 363. 



Parallactic eye piece, report on, 294, 

 298. 



Patterson, Dr., discourse printed, 12 — 

 account of wells, 25 — of automaton 

 speaking machine, 83, 222 — resigns 

 office of president, 135 — exhibits 

 counterfeit sovereign, 145 — grain of 

 gold, 153, 155 — coin from marl pit, 

 173 — dollars from wreck of San 

 Pedro, 200 — diamond from Georgia, 

 211, 24C — observations on solar 

 eclipse, 253 — account of Leverrier's 

 inquiries, 281 — bronze medal of Pre- 

 sident Polk, 298— on Mr. Walker's 

 investigations of planet of Leverrier, 

 311. 



Peale, Mr. F., exhibits gum elastic 

 goods, 221 — granular quartz, 241. 



Pettit, Charles, papers of, to be ex- 

 amined, 324. 



Planet, of Leverrier, 311 — Neptune, 

 elements of, 332 — Astrsea, Prof. Ram- 

 ker on, 347 — Neptune, new elements 

 for, 378. 



Polarization of light. Prof. Henry, 227, 

 229. 



Polarized light, application of, to chem- 

 ical analysis, 349. 



Price, E. K., letter referred to commit- 

 tee on finance, 142. 



Proceedings, 16, 81, 82, 99, 135, 219, 

 244,250,335,337,344,351. 



Quartz, granular, Mr. Peale, 241 — flex- 

 ible, Mr. Lea, Mr. Justice, 244. 



Revolving table, engraved, C. M'Euen, 



201. 

 Roberts, S. W , steam canal boat, 121 — 



thanks of Society to, 321. 

 Rose, Dr., temperature of deep water, 



283. 

 Rumker, Prof., fixed stars and comets, 



G — on planet astrasa, 347. 



Sandy Hook, map of, 168. 



Shells, Mr. Lea on, 8, 162. 



Shot tower, demolition of, 235. 



Sigillaria and stigmaria, 273. 



Smith, G. W,, artificial magnet, 38 — 

 bursting of gun on board Princeton, 

 47. 



Solar eclipse, observations at High 

 School, 2.53 



Sovereign, counterfeit, 145. 



Sparks, Jared, private letters returned, 

 149. 



Spina bifida, by Dr. Bond, 124. 



Steam canal boat, 121 . 



Sun, spots on, Profs. Henry and Alex- 

 ander, 173. 



Swallow of Rocky Mountain, 186. 



Taylor, R. C, on Washington silver 



mine, N. C, 150. 

 Telescopes, Mr. Justice, 126. 

 Temperature, discussion on, 182 — 



curves and tables of, 202 — of deep 



water, 2.83. 

 Terrestrial magnetism. Prof. Locke, 63, 



102, 109. 

 Thermo-electric apparatus. Prof. Hen- 



ry, 22. 

 Tilghman, R. A., on decomposing pow- 

 er of water at high temperatures, 353, 



356. 

 Tornado, Prof Frazer, 12. 

 Transactions presented to Historical So- 



ciety of Pennsylvania, 307. 

 Treasurer, accounts referred, 29, 122, 



218, 296— reports debt paid to N. 



Dunn's estate, 278. 



