I N D E X. '301 Glycera, on the British species of, 147. Gceppert, Prof., on the fossil Cycadese found in Silesia, 442. Goliathus, description of anew species of, 39. Gompsocephalus, new genus of, 39. Goodsir, H. D. S., on some animals found amongst the gulf-weed, 73 ; on a new species of Nymphon, 293 ; on some gigantic forms of invertebrate animals from the coast of Scotland, 377. Goodsir, John, on the electric organs of the Rays, 122. Gould, J., on a new species of Platycer-cus, 114; on new animals and birds from Australia, 129, 142. Grasses, on the import of the inferior paleae of, 174. Gray, J. E., on the animal of Spirula, 257, 444. Griffiths, W., on the Rhizan these and their allies, 190 ; on the ovulum of Sautalum, 196 ; on the development of the ovulum in Avicennia, 197 ; no-tice of the late, 447. Grisebach, Dr. A., on the occurrence of Phytozoa in phanerogamous plants, 264. Gulf-weed, on some animals found amongst the, 73. Gulliver, George, on the blood-corpuscles of the two-toed sloth, 122. Habenaria, new species of, 386. Haematococcus sanguineus, notice respect-ing, 372. Hancock, A., on the anatomy of Eolis, 1, 17', on the boring apparatus of the car-nivorous gasteropods and of the stone-and wood-burrowing bivalves, 113. Hanley, S., on some new species of Tel-lina, 46, 363, 435 ; on new species of Cytherea, 133 ; on new species of Cy-rena, Venus and Amphidesma, 431. Ilapalotis, new species of, 130. Henfrey, A., on the causes of the ascent of the sap in plants, 424. Heron, Sir R., on the habits of jerboas, 286. Hesperomys, new species of, 428. Hinds, R. B., memoirs on geographic botany, 11, 89 ; on some new species of Marginella, 50 ; on some new shells, 123 ; on a new species of Solarium, 374. Hippolyte ensiferus, description of, 74. Ilipposideros, observations on the genus, 469. Hodgkinson, Mr., on the food of the Australian natives, 70. Hodgson, B. H,, on the rats, mice, and shrews of Nepal, 266 ; characters of six new species of Nepalese birds, 326. Hogg, J., on the Spongilla fluviatilis,284. Homoptera, descriptions of new genera and species of, 34, 119. Humboldt, M. von, on Ehrenberg's re-searches on Infusoria, 141. Hybosorus, new species of, 439. Hydractinia, observations on the, 248. Hylobates, observations on some species of, 449. Hypsiprymnus, new species of, 130. Idalia, observations on the genus, 262. leracidea, new species of, 132. Infusoria, observations on, 141 ; on the occurrence of some rare species of, 371. Infusorial deposits in America, 214. Insects, descriptions of new, 34, 38, 108, 119, 439; on the means by which they walk on the vertical surfaces of highly polished bodies, 115; on the reproduction of lost pai'ts in, 279. Invertebrate, descriptions of new British, 377. Ireland, contributions to the fauna of, 270, 308. Ischadites Koenigii, observations on the, 406. Jerboas, on the habits of, 286. Jerdon's Illustrations of Indian Ornitho-logy, reviewed, 274. Johnston, G., on the British Annelides, 145. Kaup's, J., Classification der Saugethiere und Vogel, 422. King, W., on a British shell of the genus Circe, 112. Kiitzing'sKieselschahgen Bacillarien oder Diatomeen, reviewed, 185. Landsborough, Rev. D., account of a dredging excursion, 251 ; on some rarities found on the west coast of Scot-land, 327. Laplanders, on the crania of the, 287. Lasegue's, M., Musee Botanique de M. Benjamin Delessert, noticed, 421. Lastrffia spinosa and L. multiflora, on the correct nomenclature of, 322. Lathraea clandestina, anatomical re-searches on, 410. Leaves, on the decurrence of, 415. Lee, H., on the abundant occurrence of rare infusoria in the scallop, 371. Leech, on the structure of the cocoon of a, 301. Leefe's, Rev. J. E., Salictum Britannicum exsiccatum, noticed, 275. Leiothrix, new species of, 326. Lemuridae, observations on some, 461. Lentinus, new species of, 424. Leptopus, characters of the new genus, 430.