411 



Green sand of New Jersey, 297. 

 Grosbeak, Pine, 42. 

 Guillemot, thick-billed, 167. 



Hecate^ gen. Girard, 185. 



eler/ans " 186. 



Hemiaster Conradi Bouv«?, 3. 

 Hermaphroditism, human, case of, with 



remarks on its embrvological and 



anatomical relations, 353. 

 Heterodon niger, range of, 147. 

 Hirnndo luniifrons, 270. 

 Holothuria, new genera of, by W. 0. 



Ayres, 46, 52, 207, 243. 

 Holothuria, new species of, by W. 0. 



Ayres, 60, 207, 243. 

 Holothuria squamata, 35. 

 Holothurida?, American, 5. 



breeding season of, 73. 



ofMassachusetts coast, 67. 



as articles of food, 100. 



depth of water inhabited 



by, 73. 

 Holothuridrp of the United States, sum- 

 mary of his examination of, by W. 0. 



Ayres, 147. 



Indian, Flathead, cranium, 83, 266. 



Oreson, capacity of crania, 84. 



Infusoria, organic relations of, 124. 



zoological nature of, 331. 



Iodine in ammoniacal liquor from gas 



works, 4. 

 Iridium in California gold, 192. 

 Iron, extraction of, from New Jersey 



Franklinite, 295. 

 Isthiophorus in Tertiary of Virginia, 



260. 

 Laurentian deposit, 33. 



fossil IMallotus in, 29. 



Laurentian deposit, marine algje in, 29. 



■■ whale in, 29. 



Lead district of Wisconsin, 387. 

 Leanness of Americans, discussion on, 



186. 

 Leda obesa Stimpson, 113. 

 Lepidodendron, 142. 

 Lepidostrobus, 143. 



Letters, from 

 Adams, INIrs. 319. 

 Burnett, W. I. 394. 

 Christie, David, 319. 

 Dudley, William, 346. 

 Ellesniere, Lord, 394. 

 Foulis, Robert, 202. 

 Girard, Charles, 376. 

 Johnston, J. B. 70. 

 Lesquereux, Leo. 20. 

 Logan, W. E. 33. 

 Martins, M. 50. 



Morris, M. H. Miss, 110. 



Owen, Prof. Richard, 394. 



Redfield, W. C. 180. 



Richardson, Sir John, 394. 



Societe Roy ale des Sciences de Li(?ge, 



346. 

 Squier, E. J. 2. 

 Thomas, W. H. B. 375. 

 Vattemare, Alexandre, 256. 

 Vogt, Prof. C. 24. 

 Wiuslow, C. F. 342. 



Lignite, deposit at Brandon, Vt. 287. 

 Lima tetrica Gould, 93. 

 Lithodomus/n/crt^»s Gould, 92. 

 Locust, seventeen years', 110. 

 Lophius Americanus, brain and spinal 



cord of, 149. 

 Liicina orhella Gould, 90. 

 Lumi)ti>h, brain and spinal cord of, 81. 

 Lutraria undulaia Gould, 89. 

 vtntricosa " 89. 



Lir.KARY, donations to, by 



Academia Real de ]\IadVid, 196, 365. 



Academy, American, of Arts and Sci- 

 ences,'44, 173, 254, 364, 404. 



Academy of Munich, 198, 235. 



Natural Sciences, Phila- 

 delphia, 44, 76, 172. 173, 197, 233, 

 234, 235, 255, 291, 292, 320, 321, 362. 



Adams, C. B. 43, 76, 196. 255, 292. 



Adams, H. and A. 363, 366. 



Adams, Nehemiah, 321. 



Agardh, J. G. 291. 



Agassiz, Louis, 365. 



Akademie der Wissenschaften, Wien, 

 173, 174, 234, 291, 402, 403. 



American Association for the Ad- 

 vancement of Science, 255. 



Andrews, J. D. 402. 



Annals of Science, editor of, 362. 363, 

 365, 366, 367, 402, 403. 



Association, Charitable Mechanic, 

 403. 



Audubon Fund, 45. 



Bache, A. D. 403. 



Beck, T. R. 173, 235. 



Bigelovv, S. L. 319. 



Binney, Amos, fiimily of, 146. 



Bovd, Francis, 365. 



Bovden, Uriah A. 198. 



Brewer, T. M. 172, 235. 



Cabot, J. E. 364. 



Cantor, Theodore, 171. 



Cassin, John. 235, 365. 



Christy, D. 76. 



City Library of New Bedford, trustees 

 of, 365. 



Clapp, A. 363. 



Clark, J. 320. 



