INDEX. 477 Carpels, on the axial and ab-axial arrange-ment of, 186. Cells, on the circulation of the sap in the interior of, 1 ; on the development of, 17, 364. Cell-membrane of plants, observations on, 15 ; on the growth of, 145, 261. Cephalophus, on the species of, 1 62. Cetoniidae, on the habits of various Indian species of, 469. Chaunax, characters of the new genus, 416. Cheirotonus Macleaii, description of the male of, 315. Chelonians, on the development of the, 316. Chlorophylle, on the development of, 193. Chondrus crispus, notice respecting, 186. Chordeiles, new species of, 118. Ciconia alba, notice respecting, 70. Cidaris, new species of, 357. Cinclosoma, new species of, 319. Circulation of the sap in the interior of cells, observations on, 1. Coal, on the vegetable tissues in, 67. Coleoptera, new British species of, 452. Compsosoma, new species of, 48. Corfu, on the natural history of, 294. Corollas, notes on the organogeny of, 132. Corvus collaris, notice respecting, 129. Corvus, new species of, 11. Corycaeus, characters of the genus, 184. Corynactis, new species of, 394. Crocodiles, note upon two crania of, 361. Crustacea, new genera of, 176. Cryptocephalidae, descriptions of new, 472. Cucullaea, new species of, 121. Cucurbitaceae, on some points in the structure of the, 110. Cycas circinalis, structure of the trunk of, 358. Cyclopacea, on some genera of, 181. Cypraea, new species of, 54. Dana, J. D., observations on zoophytes, 155 ; on some genera of Cyclopacea, 181 ; on the classification of animals, 212. Davy, Dr., on the blood-corpuscles of some fishes and of a humming-bird, 56. Deineresus, characters of the new genus, 179. Denny, II., on an extraordinary flight of butterflies, 133; on the elongation of the peduncle of Vallisneria spiralis, 425. Dewar, Dr., on the discovery of Luzula nivea, 425. Dinornis, on the osteology of the, 1 30. Dodo, on the osteology of the, 276. Doris, new British species of, 292. Doubleday, E., on some new or imper-fectly described diurnal Lepidoptera, 371. Dorylus, on the habits of, 354. Drummond, Capt. H. M., list of the birds observed to winter in Macedonia, 10. Dunker's, Dr. W., Palaeontographica, no-ticed, 272. Echinodermata, new species of fossil, 357. Eckhard, C, on the organization of the polygastric infusoria, 433. Edentata, on the relations of the, to the reptiles, 278. Edmondston, T., notice of the late, 138. Elaphomyces, new British species of, 81. Endogone, new British species of, 81. Entomological Society, proceedings of the, 352, 468. Entomostraca, observations on some, 181. Eolis, new British species of, 293. Ephippitytha, new species of, 468. Ephistemus, new British species of, 453. Equisetura, on the siliceous armour of, 191. Euchirus, characters of the genus, 183. Eucomatocera, characters of the genus, 49. Euprepis, new species of, 430. Eustochus, on the British species of, 54. Eutriche, new species of, 53. Evans, Mr., on some rare plants gathered in the neighbourhood of Edinburgh, 425. Evans, W. F., on a new species of grass-hopper from New South Wales, 468. Falconer, Dr. H., on two crania of croco-diles, 361. Fasciolaria, new species of, 122. Felis, new species of, 211. Ferret, on the wound of the, 376. Fishes, on the size of the blood-corpuscles of some, 56; on the statics of, 69 ; de-scriptions of new, 416. Forbes, Prof. E., on the pulmograde Me-dusae of the British seas, 284. Forster, Dr. T., on the migration of the swallows, 195. Fry, E., on the relation of the Edentata to the reptiles, 278. Fungi, notices of British hypogaeous, 73. Fusus, new species of British, 246, 330. Galerites, new species of, 357. Gaskoin, J. S., on new species of Cypraea, 54. Gazella, new species of, 214. Gene, Prof., on the generation of Ixodes, 160. Genea, new British species of, 76. Geranium, on the medicinal properties of the British species of, 427. Gilbert, Mr. J., notice of the late, 414.