INDEX. 429 mammiferous animals, 125; on the muscular fibres in the cesophagus and heart of some Mammalia, 349. Gulo barbarus, on the habits of, 30. Hairs, retractile, of the stigma of Campa-nulas, 380. Hare, on a remarkable change of habit in the, 362. Heliamphora nutans, description of, 47. Helicidae, observations on the family of the, 238, 243. Heliomanes, new species of, 17. Hepaticse, on the structure of the cellular membrane in, 73. Hincks, Rev. W., on a new species of Ba-lanus, 333 ; notice respecting Gray's edition of Turton's manual of land and freshwater shells, 36G. Hirundo purpurea shot in Britain, 146. Hodgson, B. H., on four new species of Otter, 27. Holothuria, on some new species of, 100. Humming-birds, on the food and structure of the, 290. Hybrids, propagation by, 424. Iluanthos, a new genus of Zoophyte, 184. Impregnation in plants, notice respecting, 69. Infusorial animalcules in red snow, 223. Insects, descriptions of some rare or in-teresting indigenous, 274 ; petrified, of Solenhofen, noticed, 12^. Intestinal worms, their tenacity of life, 377. Invertebrata, descriptions of some new species of, 84. Ireland, fungi of the north of, 3 ; on the fauna of, 6 ; on the moUusca nudi-branchia and tunicataof, 84 ; contribu-tions towards a history of the Annelides of, 168 ; additions to the fauna of, 245. Ischnotes, new species of, 18. Jabiru (Mycteria Americana), 399. Johnston, Dr. G., on the Irish Annelides, 168, 305; on a new genus of British Zoophyte, 272. Johnson, H., on the occurrence of the bottle-nosed whale, 361. Juniperus Virginiana, on a certain cry-stalline matter found in, 131. Kippist, R., on the existence of spiral cells in the seeds of Acanthacese, 135. Knobs, woody, 373. Labidus, on the females of, 192 ; descrip-tions of several new species of, 196, 258. Lankester, Dr. E., on the origin of'wood, 369. Leeds, natural history of its vicinity, 382. Leguminosae, new genus of, 43. Leighton, W. A., Excerpta Botanica, 380. Lestris Richardsonii, notice on, 6. Limneus involutus, description and ana-tomy of, 22. Lindley, Prof., characters of five new Or-chidaceous plants, 115 ; on animalcules in the antheridia of Polytrichum, 291. Lingwood, R. M., on the Fauna of Here-fordshire, 184. Link, Prof., on the flower or fruit of ferns, 421. Linnaean Society, proceedings of, 44, 130. Loligo, new species of, 68. Lophotus, remarks on the genus, and de-scription of a new species of, 329. Lutra, descriptions of four new species of, 27. MacLeay, W. S., notes on the habits of Cuban reptiles, 108. Malacopteron, description of the new ge-nus, 53. Mallodon, new species of, 15. Mammalia, on the muscular fibres in the oesophagus and heart of some, 349. Mammiferous animals, observations on the blood corpuscles of, 125. Megalorhynchus, description of the new genus, 56. Membrane, cellular, on the structure of, 73. Meteorological observations, 71, 151, 223, 295, 367, 425. Meyen, Prof. F., on the organs of secre-tion in plants, 40 ; Report on the pro-gress of Vegetable Physiology, noticed, 211. Microscopes, on the application of, in de-termining fossils, 65. Microscopical Society, proceedings of, 64, 139, 291,415. Miers, J,, on some new Brazilian Plants, 132. Miram, Dr. C. E., on the tenacity of life of intestinal worms, 377. Mirbel, M. de, on the development of the embryo in Zea Mays, 231. Miscellanea Zoologica, 169, 272, 305. Mollusca, of Ireland, 10, 245; nudibran-chia, new species of, 84 ; tunicata, new species of, 93 ; on some new and rare British, 102 ; on the geographical dis-tribution of, in Great Britain, 366. Montagua, new species of, 106. Mosses, on the structure of the cellular membrane in, 73. Mycteria Americana, on the habits of, 346. Myliobatis aquila, notice respecting, 146. Narcissus, on two new species of, 39. Nautilus, new species of, 99. Necydalis, new species of, 1 6. Nereis, descriptions of several new species of, 170. Newman, E., nonnullorum Cerambycitum fa. 3