INDEX. 



509 



Cystosoma, new species of, 208. 



Dadoxylon, on a species of, 346. 



Dana, J. D., on the analogy between 

 the mode of reproduction in plants 

 and the " alternation of genera- 

 tions " in some Radiata, 348. 



De la Beche's, Sii- H. T., Geological 

 Observer, reviewed, 409. 



Delphinula, new species of, 333. 



Dendryphiiim, new species of, 176. 



Derbe, new species of, 209. 



Desor, Mr., on fossil rain-drops, 237. 



Desoria, description of the genus, 

 132. 



Diatomaceae, on new British, 1 ; on 

 some fossil species of, 344. 



Diphyphyllum, new species of, 168. 



Diplozoon paradoxum, on the con- 

 jugation of, 428. 



Dolabra, new species of, 52. 



Dolomedes, on the British species of, 



Dorytomus, on the British species of, 



310. 

 Dry-rot, notes on the, 329. 

 Duncan, Dr. J., on the supposed 



poisonous effects of the seeds of 



Abrus precatorius, 500. 

 Eccrina, new species of, 236. 

 Elleschus, on the British species of, 



317. 

 Encyrtus, new species of, 210, 215. 

 Entedon, new species of, 216. 

 Entophyta, descriptions of new, 236. 

 Eos, new species of, 149. 

 Eresus, on the British species of, 400. 

 Eupatagus, new species of, 130. 

 Eiu-ybrachis, new species of, 208. 

 Faorina, description of the new ge- 

 nus, 132. 

 FaiTan, Dr., on the occun-ence of 



Thalassema Neptuni, 156. 

 Fish, on the resuscitation of frozen, 



76 ; Australian, 273. 

 Forbes, Prof. E., on the natural 



history of the British seas, 232; 



on new species of MoUusca, 333. 

 Fry, E., on the morphology of the 



vertebrate skeleton, 139. 

 Fungi, notices of British, 95, 176. 

 Fusisporium, new species of, 178. 

 Garrulidse, on the, 412. 

 Garrulus, new species of, 414. 

 Gena, new species of, 223. 

 Gentiana verna, observations on, 498. 

 Geoffroy-Saint-Hilaire, I., on some 



bones and eggs of a gigantic bird 

 found at Madagascar, 161. 



Geology of the north-west coast of the 

 Isle of Wight, 14 ; of the Hampshire 

 basin, 433. '•'< "i.m'f 



Gonodactylus, new species of, 422. 



Gonoplax angidata, observations on, 

 500. 



Gorytes, new species of, 32. 



Gould, J., on some new birds, 339. 



Gray, J. £., on a new genus and several 

 new species of molluscous animals, 

 64 ; on new genera and species of 

 Spatangidse, 130; on a new species 

 of Chrysodomus, 138 ; on the cha- 

 racters of the genera Pusionella and 

 Clavatula, 33/ ; on a new species 

 of monkey, 338 ; on a leech new to 

 the British fauna, 429. 



Gulf-weed, on the origin and mode of 

 propagation of the, 327. 



Gunn, R., onThylaciuus cynocephaUis, 

 338. 



Hance, Dr. H. F., on the structure of 

 the fruit in Punica, 488. 



Hecaerge, on the British species of, 

 399. 



Helicina, new species of, 492. 



Helix, new species of, 65, 103, 263, 

 335. 



Helminthosporium,new species of, 97. 



Hendersonia, new species of, 95. 



Hexuiis, characters of the genus, 

 323. 



Hieracia, on the British, 424. 



Hill, R., on the natural history of the 

 shark, 353. 



Hogg, J., on Dr. Nardo's classification 

 of the Spongiae, 190. 



Iloldsworth, A. H., on the dry-rot, 

 329. 



Holopella, characters of the new genus, 

 47. 



Homoptera, new, 207. 



Hort, F. J. A., on a supposed new 

 species of Rubus, 374. 



Huxley, T. H., on the auditory organs 

 in the Crustacea, 304, 373 ; on the 

 anatomy of the genus Tethya, 370. 



Hyahsma, characters of the genus, 

 324. 



Hymenoptera, on some new exotic, 

 28. 



Hypocrea, new species of, 186. 



Iguana of Sta Lucia, on the habits of 

 the, 494. 



