356 



INDEX. 



Lecidea geographica, Schser., 258. 

 lapicida, Ach., 257. 

 me/ancheima, Tuckerm., 260. 

 milliaria, Fr., 260. 

 Morio, Schser., 258. 

 panasola, Ach., 257. 

 parasema, Fr,, 259. 

 premnea, Ach., 259. 

 sabuletorum, Fr., 260. 

 sanguinaria, Ach., 259. 

 variegata, Fr. , 257. 

 vesicularis, Ach., 256. 

 Wahlenbergii, Ach., 256. 

 Lecideaceoe, Fr., 197, 236. 

 Leptogium, gen., Fr., 281, 284. 

 Burgessii, Fr., 284. 

 lacerum, Fr., 284. 

 Tremelloides, Fr., 284. 

 Levekrier, M. On comets, 296. On the comets of Lexell, Faye, 



and De Vico, 296 - 300. 

 Lexell's comet, 296. 

 Library, donations to, by 



Academy, Bavarian, 37, 182, 344, 345. 



Academy of Berlin, 42, 343. 



Academy of Bonn, 344. 



Academy, Royal, of Brussels, 42, 43, 343. 



Academy, Irish Royal, 4, 181. 



Academy of Natural Sciences, Philadelphia, 181, 345, 



Academy, Imperial, of St. Petersburg, 4, 37, 157, 343. 



Adams, J. C, 157, 



Association, British, 36, 42, 182. 



Association, Geological, 4. 



Association, Mercantile Library, of New York, 344. 



Bache, A. D., 344. 



Barratt, Dr., 156. 



Biot, M., 181. 



Bonaparte, C. L., 181. 



Bond, W. C, 156. 



Borden, S., 4, 



