INDEX. 



541 



Howell, J. W., on the structure of the 



stigma of the Papaveracese, 42. 

 Huber, P., on the habits of a Tenthredo, 



241, 376. 

 Hydaticus, new species of, 364. 

 Hydrous, new species of, 364. 

 Hylseus, notes on the genus, 60. 

 Hymenolaimus, characters of the genus, 



370. 

 Ibex, on the blood-corpuscles of the, 524. 

 Ichneumon, description of an, parasitic on 



spiders, 1. 

 Ichthyolites, on some specimens of, 513. 

 Ichthyology of Australia, 22, 1 69, 422, 489. 

 Icones Plantarum, noticed, 211. 

 Idiocephala, new species of, 317. 

 Ilex Paraguyensis,on the presence of theine 



in, 237. 

 Insects, new, 317, 364; fossil, on the dis- 

 covery of some, 480, 509. 

 Invertebrata, on the minute structure of 



the hard parts of, 380. 

 lonthodes, new species of, 367. 

 Ireland, on the Crustacea of, 102; on the 



birds of, 283. 

 Iris, on the structure and mode of action 



of the, 381. 

 lulus, new British species of, 68, 316. 

 Jennings, F. M., on a peculiar sensation 



caused by some mollusca, 326. 

 Jones, T. W., on the corpuscles of the 



blood, 378. 

 Julis, on some new species of, 422. 

 Juncus diffusus, occurrence of, in Scotland, 



78. 

 Jussieua, new species of, 13. 

 Kangaroo, description of two new species 



of, 385. 

 Kay, J. E. de, Natural History of New 



York, reviewed, 209. 

 Kaye, C, on some fossils collected in South- 

 ern India, 482. 

 Kerivoula, new species of, 117. 

 Kippist, Mr., on a new species of Paspa- 



lum, 235. 

 Labrus, new species of, 353. 

 Lamellicornidae, new genera of, 68, 315. 

 Lamprotatus, new species of, 184, 185. 

 Landsborough, Rev. D., on the history 



and habits of the rook, 275. 

 Lapemis, new species of, 46. 

 Latham, Dr., on Siberian birds described 



by, 113, 189. 

 Lecidea Wahlenbergii, occurrence of, in 



Britain, 485. 

 Lee, J. E., on some saurian dermal plates 



from the Weald, 5. 

 Leefe's, Rev. J. E,, Salictum Britannicum 



Exsiccatum, noticed, 301. 

 Leighton, W. A., on a new specific cha- 

 racter in the willows, 21. 



Leptophyllus, new species of, 400. 



Leuciscus, new species of, 489. 



Linnaean Society, proceedings of the, 232, 



461. 

 Lissopterus, description of the new genus, 



281. 

 Lobivanellus, new species of, 532. 

 Lodoicea Sechellarum, observations on the, 



153. 

 London Journal of Botany, notice of the 



contents of the, 300. 

 Longicornes, descriptions of new, 366. 

 Loven, S., on the metamorphosis of an 



annelide, 43. 

 Lowe, Rev. R. T., on a new dorsibran- 



chiate gasteropod, 309. 

 Lyda inanita, on the habits of the, 24 1 , 376. 

 Lyell, C, on the fossil foot-prints of birds, 



322. 

 Lutra, new species of, 118. 

 Macgillivray's, Prof. W., History of Mol- 

 luscous Animals, noticed, 459. 

 Maclagan, Dr. D., on the Bebeeru tree of 



British Guiana, 384. 

 Macrothrix, description of some species 



of, 87. 

 Maianthemum bifolium, occurrence of, in 



Britain, 77, 158. 

 Mallodon, new species of, 366. 

 Mammalia, descriptions of new genera 



and species of, 1 1 7 ; on the semen and 



seminal lubes of, 514. 

 Mantell, G. A., on some ornithoidicnites, 



513. 

 Marsupialia, new species of, 306, 

 Martin, W., on the habits of the horned 



screamer, 141. 

 Mastodontoid animals, on the structure 



and history of, 479, 502. 

 Matteucci, M., on some -experiments on 



the torpedo, 406. 

 Mecistocephalus, description of the new 



genus, 499. 

 Megacantha, new species of, 540. 

 Megalops, on some species of, 493. 

 Meloseira, observations on the genus, 437. 

 Melyridae, characters of new, 319. 

 Metascelis, new genus of Lamellicorns, 68. 

 Meteorological observations, 79, 159, 239, 



327, 407, 487. 

 Microscopical Society of London, proceed- 

 ings of the, 155. 

 Microspora, a new genus of Conferva, 363. 

 Miquel, Dr. F. A. G., on some plants from 



Surinam, 12. 

 Missourium, observations on the, 147. 

 Mitra, new species of, 255. 

 Mocha-stones, on substances inclosed in, 



415. 

 Mollusca, of Massachusetts, observations 



on the, 55 ;on the structure of the shells 



