INDEX TO VOL. V. 



Acad. Nat. Sci. Philada., fossils de- 

 posited with, 110, 111. 



Agassiz, Prof, correspondence with 

 Mr. Lea, 218. 



Alexander, J. H., philological paper, 

 240: preservation of articles in cor- 

 ner stones, 350. 



Alexander, S., on eclipse of the sun, 31. 



Alkaline sulphates, decomposition of, 

 274. 



Apparatus belonging to Society, 230. 



Arctic Expeditions, 159, 224, 266, 298, 

 321, 329, 332, 351, 357. 



Asphaltuni at Hillsborough, 241 ; new 

 variety of, 279. 



Astor Library, 291. 



AstronomicalJournal, 103, 107, 109. 



Aurora Borealis, 249, 342. 



Award of Arbitrators between Society 

 and W. D. Lewis, 39. 



Bache, A. D., tides in Gulf of Mexico, 

 235. 



Bache, Franklin, Discourse as Presi- 

 dent, 359. 



Barometer, fluctuations of, 176. 



Bettelheim, Dr., meteorological obser- 

 vations, 240, 249. 



Boardman, H. A., rock crystal, 305. 



Boye, Dr., tea artificially coloured, 36; 

 iron pyrites and nickel, 230; salt- 

 radical theory, 275 ; fossil infusoria, 

 275; articles in corner stones, 323, 

 325; aurora borealis, 342. 



Browne, P. A., trichometer, 72; fine 

 Saxony wools, 247, 250, 259, 264. 



Cabinet, exchange of specimens in, 

 329. 



Caloric engine, 305. 



Carabidse, classification of, 321. 



Coins exhibited, 195, 198; coins and 

 medals to be arranged, 230; Parish 

 collection of, 247, 264, 310, 313. 



Comet, Klinkerfuss', 342. 



Committees, standing, appointed, 5, 



66, 122, 180, 243, 308. 

 of finance, report, 9, 42, 48, 119, 



173, 224, 235, 264, 269, 300. 



359. 

 of publication, 46, 118, 171, 233, 



254, 306, 358. 



Committees, special, — 



on communication of Lieut. Gil- 



liss, 3. 

 on paper by Dr. C. M. Wetherill, 



30, 35. 

 to confer with Am. Acad. Arts 



and Sciences, 37, 39. 

 on U. S. Coast Survey, 50, 54, 



69. 



on portrait of Dr. Chapman, 66. 



on communication from Dr. Jahn, 



69, 72. 

 on communication from Acad. 



Arts and Sciences, 81, 84. 

 on longitude of Washington Ob- 

 servatory, by Lieut. Gilliss, 84, 



87. 

 on Obsei'vatory of Alabama, by 



L. C. Garland, 103. 

 on W. Kahler's paper, on motion 



of planets, 103, 106. 

 on Franklin manuscript papers, 



110, 112. 

 on Prof. Loomis' paper, on Lon- 

 gitude of Hudson Observatory, 



142, 144, 182. 

 on M. F. Longstreth's paper, on 



tabular longitudes of moon, 176, 



179. 

 on Dr. Leidy's paper, on genus 



Gregarina, of Dufour, 176, 179. 

 on Dr. Leidy's paper, on Nema- 



toidea imperfecta, 180, 182. 

 on Dr. Bettelheim's meteorologi- 

 cal observations, 240, 247. 

 on philological paper, by Prof. 



.J. H. Alexander. 240. 249. 



