387 



INDEX TO VOL. III. 



N. B. New genera and species are in italics. 



Acantkocottus, gen. 185. 



seneus, 186. 



• Groenlandicus, 185. 



hexacornis, 186. 



Mitchilli, 186. 



polaris, 186. 



polyacanthocephalus, 186. 



porosus, 186. 



psittiliger, 186. 



• scorpioides, 185 



Virginianus, 187. 



Acephala, classification, of, 301. 

 Achalina halteata, 195. 



■ paritura, 196. 



ventricosa, 195. 



Acteon, 191. 



Addresses, annual, 36, 300. 

 A.\-A»mo(\on falcata^ 294. 

 Algae, marine, 271, 272, 371. 



, new species of, 370. 



Algerite, 150, 278. 



Algous plants, dissemination of, 320. 



Allanite,326. 



American continent, age of, 88. 



Amnicola badla, 74. 



ciliata, 196. 



egeiia, 75. 



Amphidesma croceiim, 218. 

 AmpuUaria halanoidea., 196. 



■ cohimeUaris^ 74. 



Ansesthetic agents, 132. 

 Anas penelope, 21. 

 Andalusite, 29. 

 Annelids, 26, 190. 

 Anodon cognata, 294. 



■ feminalis, 293. 



gigantea, 85. 



glauca, 293. 



Anthony, J. G. New species of Melania, 



359. 

 Anthracite, age of, 44. 

 Aphrododerus Sayanus, 5, 

 Aplysia. Jimbriata, 197. 

 Arachnidae, embryonic development, of, 



128. 

 Area sobria, 278. 



Arctic Expedition, 180. 

 Arkansite, 96, 131. 

 Arthemis lambat.a, 277. 

 Articulata, embryology of, 262, 

 Artificial minerals, 282. 

 Asphaltum, analysis of, 279. 

 Asteracanthion Forbesi, 67. 



rjibe7is, 67. 



Asterias sponsiosa, 67. 

 Allantochelys7351. 

 Aurelia aurita, 137. 

 Amicula glabra, 310. 



• vulpina, 44. 



Avicula fucata, 309. 



lurida, 310. 



maculata, 309. 



■ nigra, 309. 



vidua, 309. 



Ayees, W. O. On Malacosteus niger, 

 69. On Polypterus Palmas, 181. 



Bailey, J . W. On new species of Al- 

 gae, 370. 



Balsena mysticetus, 355. 



Balaninus nasicus, 174. 



Barytes, 229. 



Biogen liquid, 86, 87, 239. 



Bird tracks, 169, 227. 



Blennius serpentiiius, 30. 



Blind animals, from Mammoth Cave, 

 349, 357. 



Brain coral, 368. 



Bryozoa, 66. 



^wccinum far i7iosum, 152. 



fossatum, 152. 



' funereum, 152. 



velaUim,, 151. 



Bulimus infracinctus, 195. 



~ inter st'inchis, 197. 



mucidus, 194. 



Bulla solitaria, 9. 



Bull frogs, omnivorous, 321, 323, 



Burnett, W. L On the Hibernation of 

 insects, 68 — On the Epithelial tissues, 

 166 — On Cell-types, 202 — On Para- 

 sites, 240, 324— On the Embryology 



