INDEX. 



509 



species of Gull, 232; on a new 

 species of Elanus, 329 ; on two 

 new species of Cinclus, 502. 



Grallaria, new species of, 498. 



Gray, G. R., on a new Bird of Para- 

 dise, 145 ; on a new species of Co- 

 lymbus, 331. 



Gray, Dr. J. E., on the Pennatulidse, 

 with descriptions of new species, 

 20 ; on the Sea-Bear of Foster, 63 ; 

 on the Mud-fish of the Nile, 70; 

 on a species of Tapaia from Pulo 

 Condore, 71 ; on some new species 

 of Salamanders, 151 ; on the genus 

 Hyalonema, 229; on the Eared 

 Seals, 424 ; on two new forms of 

 Sponges, 495 ; on a new species of 

 Squirrel, 500 ; on a new species of 

 freshwater Tortoise, 501. 



Greene, J. R., on Sertularia tricus- 

 pidata, 431 ; on the genus Hux- 

 leya, 432. 



Gulliver, G., on the marginal nerves 

 of the leaves of mosses, 298 ; on 

 the sclerogenous granules of the 

 berry of Arbutus Unedo, 343. 



Giinther, Dr. A., on Uriechis micro- 

 lepidotus, 168; on Leptodeira tor- 

 quata, 169; on the history of 

 Echeneis, 384; on a new species 

 of Anolis, 493. 



Gurney, J. H., on Uriechis micro- 

 lepidotus, 342. 



Harvey, Dr. W. H., on Darwin's 

 theory of the origin of species, 348. 



Haughton, Rev. S., on Cyclostigma, 

 a new genus of fossil plants ; and 

 on the general law of phyllotaxis 

 in the Lycopodiaceae, Equisetaceae, 

 Filices, &c., 433. 



Helix, new species of, 245, 381. 



Hemiteles, new species of, 307. 



Heratemis, characters of the new 

 genus, 310. 



Herklotsia, description of the genus, 

 25. 



Hexarthrum, description of the new 

 genus, 448. 



Holdsworth, E. W. H., on the deve- 

 lopment of Aurelia aurita, 332. 



Holocystis, on the species of, 275. 



Hooker, Dr. J. D., on Darwin's 

 theory of natural selection, 350. 



Houghton, Rev. W., on the Hydra 

 rubra, 228 ; on Glossiphonia mar- 

 ginata, 248. 



Huxley, Prof., on the development 

 of Pyrosoma, 29; on species and 

 races, 344. 



Huxleyia, characters of the new ge- 

 nus, 303 ; note on, 432. 



Hyalonema, note on the genus, 229. 



Hydra, on a new British species of, 

 "71, 228. 



Hymenoptera, on the structure of the 

 wings of certain, 339. 



Hypseus, description of the new ge- 

 nus, 39. 



Insects, new, from Ceylon, 304. 



lole, characters of the new genus, 

 300. 



Iridina, new species of, 337. 



Jeffreys, J. G., on Lepton sulcatu- 

 lum, 131 ; on the comparative size 

 of marine Mollusca, 197. 



Jones, T. R., on the nomenclature of 

 the Foraminifera, 98, 174, 285, 

 466. 



Kaup, Prof., on a new species of Pe- 

 ristethus, 64. 



Kingfisher, on the nidification of the, 

 150. 



Kleinella, characters of the new ge- 

 nus, 302. 



Kolliker, Prof., on the structure of 

 the chorda dorsalis in the Plagio- 

 stomes, 323. 



Lacaze-Duthiers, H., on the circula- 

 tion in Gasteropodous Mollusca, 

 and on the supposed aquiferous 

 apparatus of the Lamellibranchiata, 

 225. 



Lachesis, new species of, 411. 



Larrada, new species of, 305. 



Larus argentatus, on the habits of, 

 498. 



Leiparthrum, new species of, 364. 



Lepidosiren from the Nile, 70. 



Leptodeira, new species of, 169. 



Lepton sulcatulum, notes on, 27, 

 131. 



Leuckart, Prof. R., on the genus 

 Notopterophorus, 353 ; on the oc- 

 currence of an adhesive sucker -like 

 organ in the Daphniadse, 445 ; on 

 Trichina spiralis, 503. 



Leucotina, characters of the new ge- 

 nus, 406. 



Leuronema, description of the new 

 genus, 193. 



Lewes, G. H., on a new British spe- 

 cies of Hydra, 71. 



