486 



INDEX. 



Latham, Dr. J., notice of the late, 210, 

 Lees, E., on the groups into which the 



British fruticose Rubi are divisible, 68 ; 



on a variety of Rosa sarmentacea, 



212. 

 Lepidoptera, new species of, 344. 

 Lichen, on a new species of, 295. 

 Limax, on the Irish species of, 332. 

 Lindley, Prof., on some new genera and 



species of Orchidaceous plants, 396. 

 Linnaean Society, proceedings of the, 207. 

 Lipoptena, new species of, 314. 

 Loncheres, new species of, 44. 

 Lopez, Dr., on spiders discharged from 



the eye, 454. 

 Loranthus, on the ovulum of, 207. 

 Loricula pulchella, description of, 260. 

 Lucanidae, description of a new genus of, 



362. 

 Lucanus, new species of, 363. 

 Lucanus Cervus, lithic acid in, 451. 

 Lumbricus, new species of, 432. 

 Lutra, on a new species of, 43. 

 Lyell, C, on the geological position of 



the Mastodon giganteum, 125. 

 Machaerium subducens, description of 



the, 175. 

 Mackenzie, P., on a species of Fungus 



found imbedded in peat, 130. 

 Mammalia, characters of new Brazilian, 



42 ; on the blood- corpuscles of, 367 ; 



on the classification of the, 399. 

 Mantell, Dr. G. A.., on some fossil fruits 



from the chalk, 71 ; on the fossilized 



remains of the soft parts of Mollusca, 



72. 

 Manual of British Botany, reviewed, 49. 

 Marmozette, on a new species of, 398. 

 Martius, Prof, von, on the life and labours 



of DeCandolle, 1. 

 Masdevallia, new species of, 396. 

 Mastodon giganteum, on the geological 



position of the, 125. 

 Matteucci, M., on the phosphorescence 



of the glow-worm, 373. 

 Matthews, A., notice of the late, 210. 

 Matzia, description of the new genus, 



432. 

 Megachile, on the habits of some species 



of, 356. 

 Meloseira, on the British species of, 346. 

 Meridion, descriptions of the British spe- 

 cies of, 457. 

 Meteorological observations, 79, 151, 



231, 303, 375, 455. 

 Microscope, means of remedying the de- 

 fect of artificial light in working with 



the, 481. 

 Microscopic objects, on the different 



modes of preserving, 113, 482. 

 Microscopic researches into the minute 



structure of the skeletons of Mollusca, 



Crustacea and Echinodermata, 377. 



Milvus Cheele, on the habits of, 92. 



Mitophyllus, description of the new ge- 

 nus, 362. 



Mitscherlich, Prof., on fermentation, 300. 



Modeccopsis, description of the new ge- 

 nus, 209. 



Mohl, H., on the genus Anthoceros, 24 ; 

 on Dr. Barry's memoir on fibre, 374. 



Mollusca, on the fossihzed remains of the 

 soft parts of, 72 ; on the structure of 

 the shell of, 228 ; nudibranchiate, on 

 the development and structure of the, 

 233 ; on the organs of hearing in, 237 ; 

 microscopic inquiries into the minute 

 structure of the skeletons of, 377. 



Montague, M., on the Podaxineae, and 

 on the new genus Gyro phragmium, 111. 



Morren's, Messrs., Rubefaction des Eaux 

 par les Animalcules et les Algues, no- 

 ticed, 205. 



Morris, J., Catalogue of British fossils, 

 noticed, 353. 



Mosses, catalogue of the, found in the 

 neighbourhood of Bristol, 213. 



Mougeotia, observations on the genus, 

 180. 



Mus, new species of, 134. 



Mylodon, observations on the, 292. 



Myriapoda, on the structure and develop- 

 ment of the nervous and circulatory 

 systems in the, 223. 



Nautilus, on the structure of the 132, 

 173, 305. 



Navicella, new species of, 141. 



Nerites, new species of, 276. 



Newport, G., on the structure and de- 

 velopment of the nervous and circula- 

 tory systems in the Myriapoda and 

 Macrourous Arachnida, 223; on the 

 habits of Megachile Willughbiella and 

 M. centuncularis, 356. 



Ogilby, M. on some new species of ba- 

 boons, 446. 



Opatrum, new species of, 358. 



Ophiuridae of the Red Sea, on the, 211. 



Ophrys apifera, on an abnormal form of, 

 213. 



Orbigny, M. de, on the palaeontology of 

 South America, 434 ; on the Gastero- 

 poda of the cretaceous system, 436. 



Orchidaceous plants, on some new ge- 

 nera and species of, 396. 



Ortyx, new species of, 284. 



Osyris, on the ovulum of, 208. 



Owen, Prof., on the structure of the Pearly 

 Nautilus, 132, 305 ; on the anatomy 

 of Calyptraea, 135 ; on the anatomy of 

 Pholadomya Candida, 138 ; on the My- 

 lodon, 292 ; description of a new spe- 

 cies of seal, 331 ; on the remains of a 

 gigantic struthious bird, 444. 



Pachyodon, descriptions of new species of, 

 390. 



