268 



Helix peraffinis, 16. 



pertenuis, 172. 



pusillus. 171. 



refuga, 99. 



rubiginosa, 173. 



rubricata, 178. 



ruida, 178. 



saturnia, 98. 



saxatilis, 171. 



Scorpio, 178. 



sincera, 16. 



sporlella, 167. 



strigosa, 166. 



subconica, 15. 



subpyramidalis, 15. 



subrutila, 19. 



sublilissima, 177. 



tenerrima, 16. 



tentoriolum, 176. 



tiara, 19. 



Troilus, 176. 



tumulus, 175. 



ziczac, 166. 



Hentz, C. A. Descriptions of Fishes 



from Alabama, 48, 51. 

 Hipponix imbricata, 161. 

 Huro nigricans, 184. 

 Hydrarchos Sillimani, 65, 94. 



Infusoria of the Mississippi river, 33. 



Jackson, C. T. On the importance of 

 the science and art of Mining, 110. — 

 Chemical analysis of Lava, from Ha- 

 waii, 120. — Analysis of Snow, 217. 



Jackson, J. B. S. On the fossil bones 

 of Mastodon gigauteus, 60. 



KiRTLAND, J. p. Supplement to his 

 Fishes of Ohio, 49. 



Lake Superior, Geology of, 125. 



Lava, analysis of, 120. 



Leidy, J. Anatomy of Littorina angu- 

 lifera, 52. — Anatomy of Helix albola- 

 bris, 57. — On the existence of the 

 Sac of the Dart in certain Mollusks, 

 59. 



Leiodon echinatum, 174. 



Leplocephalus gracilis, 76. 



Letters, from Agassiz, Prof., 45 ; As- 

 sociation of American Geologists and 

 Naturalists, 44; Bartlett, J., 96; 

 Browne, F. B. E., 213, 235; Chap- 

 man, A. W., 209; Couper, J. H., 

 123 ; D'Orbigny, Alcide, 235 ; For- 

 syth, Dr., 203 ; Hall, J., 103 ; Hentz, 

 N. M., 235; Hubbard, O. P., 157 ; 

 Institute of France, 264; Jackson, C. 



T., 57 ; Kirtland, J. P., 52; Lienard, 

 M.,58, Lister, G., 94; Mason, F., 

 58, 208, 210 ; Norwood, J. G., 102 ; 

 Perkins, G. A., 241; Salisbury, A. 

 G., 59 ; Smith, J. L., 236 ; Society, 

 Mass. Horticultural, 177; Squier, 

 Mr., 236 ; Thompson, Z., 145. 

 Leuciscus croceus, 48. 



gibbosus, 48. 



obesus, 48. 



prolixus, 48. 



Library, Donations to, by 



American Academy of Arts and Sci- 

 ences, 262. 

 Academy of Natural Sciences of Phi- 

 ladelphia, 35, 86, 105, 163, 173, 189, 

 196,233, 240, 250,255, 262. 

 Academy, Royal Bavarian, 169. 

 Adams, C. B., 72, 189. 

 Alger, F., 89. 



Association of Geologists and Natu- 

 ralists, 122. 

 Association, Mercantile Library, New- 

 York, 212. 

 Audubon Fund, 36, 38, 40, 47, 55, 64, 

 83, 130, 169, 204, 212, 227, 233,240. 

 Baird, S. F., 73. 

 Barratt, J., 173, 190,203. 

 Binney, A., 83, 122. 

 Boott, F. Dr., 30, 189, 196. 

 Brown, B. B., 83. 

 Brown, G., 40. 

 Chapman, A. W., 75. 

 Choate, R., 86. 

 Conrad, T. A., 36. 

 Courtis Fund, 47, 55, 63, 64, 72, 83, 

 86, 130, 140, 145, 156, 157,204, 212, 

 227, 233, 253, 262. 

 Cramer, C, 189. 



Dana, J. D., 114, 189,207,212,248. 

 Davis, John, 240. 

 De Kay, J. E., 86. 

 Delessert, Benjamin, 39. 

 Dixwell, E. S., 76. 

 D'Orbigny, A., 240. 

 Emerson, G. B., 207. 

 Emmons, Prof, 30, 83, 140, 173, 189, 



196,212,250. 

 Fitch, Asa, 204. 

 Gay, M., 240. 

 Gibbes, R. W., 75, 255. 

 Gray, Asa, 50, 89, 131, 

 Haldeman, S. S., 189, 255. 

 Hall, J. ,255. 



Institute, Historical, France, 189. 

 Institute, National, 204. 

 Jackson, C. T., 18. 

 Jomard, M., 146. 

 Journal of Natural History, Calcutta, 



219. 

 Journal of Science, American, 40, 94, 

 115, 140, 157, 204, 212, 233,248, 

 253. 



