271 



Pica melanoleuca, 73. 

 Pileopsis crystallina, 161. 

 Planorbis dentilerus, 17. 



opercularis, 212. 



pallidus, 102. 



vermicularis, 212. 



Platessa quadrocellala, 242. 

 Pleurotoina acuminata, 23. 



albida, 3. 



alho-cincta, 3. 



albo-maculata, 3. 



alho-vitlata, 4. 



candidissiina, 4. 



J circumsecta, 24. 



■ coronata, 23. 



crassilabrum, 23. 



dubia, 4. 



elatior, 4. 



fusca, 4. 



fnsco-liueata, 4. 



micans, 23. 



minor, 4. 



multilineata, 3. 



• nigrescens, 3. 



obnubila, 24. 



pumila, 23. 



rugosa, 23. 



smuosa, 23. 



■ todilla, 24. 



Inlineata, 3. 



Polyadelphite, 88. 

 Polyihalamia, 164. 

 Prionotus pileatus, 77. 



tribulus, 51. 



Psammobia affinis, 10. 



biradiata, 10. 



cerina, 10. 



figlina, 37. 



purpureo-maculata, 10. 



Pupa admodesta, 19. 



decora, 263. 



data, 197. 



fusiformis, 14. 



mellila, 99. 



nobilior, 15. 



obesa, 15. 



peponum, 197. 



rosea, 102. 



rubella, 15. 



lantilla, 197. 



tenuidens, 15. 



Purpura nodulosa, 2. 

 Pygorynchus Gouldii, 192, 193. 

 Pyranga roseo-gularis, 187. 

 Pyrrhite, 108. 



Reports, verbal ; by 

 Agassiz, Prof. 134, 137, 193, 210, 243. 

 Alger, F., 251. 

 Ayres, W. O., 264. 

 Bacon, J. Jr., 33, 39, 126. 

 Blake, Mr. 26. 

 Bouve, Mr., 80, 184. 



Reports, verbal, (Continued.) 



Cabot, S. Jr., 46, 55, 63, 73, 89, 93, 

 118, 120,179,203, 213,226. 



Channing, W. F., 188, 193, 194. 



Dana, J. D., 50. 



Desor, Edward, 217, 247, 256, 260. 



Gouid, A. A., 29, 45, 81, 83, 107, 226, 

 259, 263. 



Gray, Asa, 57, 92. 



Hale, E. hi., 54. 



Hubbard, O. P., 158. 



Jackson, C. T., 25, 33, 45, 122, 147, 

 155, 198, 213, 218, 256, 260. 



Jackson, J. B. S., 51, 52, 53, 140. 



Kneeland, S. Jr., 241, 249, 



Peabody, J., 259. 



Richards, Mr,, 36. 



Rogers, H. D., 79, 109, 124. 



Shurtleff, N. B., 96, 116. 



Stodder, C, 131, 213. 



Storer, D. H., 38, 50, 51, 71, 77, 85, 

 105, 170, ISO, 242,247, 256. 



Teschemacher, J. E., 44, 45, 73, 84, 

 123, 188, 260. 



Warren, J. C, 256, 261, 264. 



Wyman, Jeffries, 38,40, 46, 47,51, 

 54, 163,213, 226,234,243,246,249. 

 Reports and Reviews, written ; by 



Abbott, S. L., 261. 



Adams, C. B., 102, 228. 



Alger, F., 87. 



Bacon, J. Jr., 164, 195. 



Batchelder, J. M., 78. 



Bigelow, S. L., 206. 



Bouve, T. T., 35, 192. 



Cabot, S. Jr., 74, 187, 257, 258. 



Dewey, Prof., 209. 



Forshey, C. J., 162. 



Gibbes, L. R., 68. 



Gould, A. A., 53. 



Hale, E. E., 90. 



Hall, James, 167. 



Jackson, C. T., 170,217. 



Kirlland, J. P., 49. 



Kneeland, S. Jr., 264. 



Leidv, Jos., 52, 57. 



Perkins, G. A., 198. 



Storer, D. H., 47, 48, 51, 73, 76, 103, 

 243. 



Teschemacher, J. E., 107, 254. 



Wood, W., 174. 



Wyman, J., 59, 138. 

 Rimula cucullala, 159. 



galeata, 159. 



Rissoa affinis, 6. 



• albida, 6. 



crassicosta, 6. 



scalarella, 6. 



tervaricosa, 6. 



Rogers, H. D. and W. B. On the 



Boulder trains of Berkshire County, 



Mass., 79.— On the Mineralogy and 



Geology of Lake Superior, 124. 



