470 



INDEX. 



Gerbe, J., on the constitution and 

 development of the ovarian egg 

 of the Sacculinse, 321. 



Glenoclosterium, description of the 

 new genus, 258. 



Gorgoniadse, new genera of, 22, 23 ; 

 on the genera of, 319. 



Grantia ciliata, on the structure of 

 the spicules of, 466. 



Gray, Dr. J. E., on new genera and 

 species of Alcyonoid Corals, 21, 

 117 ; on siliceous spicules of Alcy- 

 onoid Corals, 96; on the Scrag 

 Whale of Dudley, 164; on Sphe- 

 nodon, Hatteria, and Rhyncho- 

 cephalus, 167 ; on Colobus pal- 

 liatu9, 171 ; on a new Alligator, 

 171 ; on the manner of growth of 

 Hyalonema, 192 ; on the varieties 

 of dogs, 236 ; on a new genus of 

 African Slugs, 241 ; on a new spe- 

 cies of Hyrax, 242 ; on the teeth 

 of Streptaxis, Chilina, &c, 243 ; 

 on a new Lizard, 243 ; on the 

 Keitloa, 244 ; on a new British 

 Coral, 246; on the Birds in the 

 Philadelphia Museum, 317; on 

 Lamarck's collection of shells, 319, 

 396; on the Sea-elephant at the 

 Falkland Islands, 400 ; on Ano- 

 malurus fulgens, 467. 



Giinther, Dr. A., on a gigantic spe- 

 cies of Batrachus, 131 ; on two 

 new species of Fishes, 444. 



Gulf-stream, on the fauna of the, at 

 great depths, 87, 92. 



Hadrosaurus, note on, 171. 



Halichondria, new species of, 298. 



Halteria pulex, observations on, 259. 



Harvey, Dr., on sea-pools in the 

 Friendly Islands, 323 ; on the 

 land-leeches of Ceylon, 324; on 

 the loaf-starfish, 324. 



Hatteria, on the genus, 167. 



Hectus, characters of the genus, 289. 



Hela, description of the genus, 412. 



Helaeus, new species of, 286. 



Heliconius, new species of, 17. 



Helleria, note on the genus, 170. 



Heynemann, Dr., on the teeth of 

 Streptaxis, Chilina, &c, 243. 



Hippopotamus, on a new fossil spe- 

 cies of, 397. 



Holl, Dr. H. B., on the palaeozoic bi- 

 valved Entomostraca, 211. 



Horse, on a new and diminutive 

 species of fossil, 95. 



Houghton, Rev. W., on the rabbit as 



known to the ancients, 179. 

 Hudson, Dr. C. T., on Rhinops vitrea, 



27. 

 Hyalonema, on the habits of, 172, 



192. 

 Hydrocena tersa and milium, notes 



on, 177. 

 Hymsea, description of the new ge- 

 nus, 35. 

 Hyperia, new species of, 328. 

 Hyrax, new species of, 242. 

 Ichnopus, new species of, 335. 

 Idiom orphus, new species of, 19. 

 Iduna, description of the genus, 404. 

 Infusoria, on the filigerous green, of 



Bombay, 249. 

 Iphimedia, on the genus, 409. 

 Isthmia, on the structure of the 



frustule of, 6. 

 Jones, Prof. T. R., on the palaeozoic 



bivalved Entomostraca, 211. 

 Keratoisis, description of the new 



genus, 23. 

 Kirkbya, new species of, 224. 

 Knocb, M., on the development of 



Bothriocephalus latus, 243. 

 Kiinckel, J., on the organization and 



development of Volucella, 165. 

 Land-leeches of Ceylon, on the, 324. 

 Lea, T., on the visual organs of the 



Unios, 466. 

 Lecanora, new British species of, 265. 

 Lecidea, new British species of, 265. 

 Leighton's, Rev. W. A., Notulae Li- 



chenologicfe, 102, 264, 351, 420. 

 Lepidostrobi, on the, 74. 

 Lepispilus, new species of, 290. 

 Leptocheirus, on the genus, 411. 

 Lepus cuniculus as known to the 



ancients, on, 179. 

 Lemsea, on the male and female of, 



before the so-called retrograde 



metamorphosis, 154. 

 Lestrigonus, on some species of, 329. 

 Leucothoe, on the genus, 402. 

 Libellula, new species of, 272. 

 Lichens, on the change of the go- 



nidia of, into zoospores, 102 ; on 



new British, 264 ; on the cephalo- 



dia of, 351. 

 Licinoma, characters of, 140. 

 Limnicythere, new species of, 369. 

 Loftusia, description of the new ge- 

 nus, 463. 

 Loven, Prof., on the mode of growth 



of Hyalonema, 192. 



