. 
462 
Gordius, new species of, 301. 
Giinther, Dr. A., on the Fishes of 
Ascension Island, 430. 
Hair-worms in the collection of the 
British Museum, on the, 525. 
Haliporus, description of the new 
genus, 185. 
Halisarca, new species of, 247. 
Halysites, on the zoological affinities 
of, 72. f 
Haploporella, characters of the new 
genus, 10 
Harpacodus, observations 
genus, 424, 
Hemilophus, new species of, 292. 
Hemipeneus, characters of the new 
genus, 186. 
Hepomadus, description of the new 
genus, 189. 
Heterocrypta, new species of, 209. 
Hicks, Dr. H., on some remains of 
Plants from the base of the Den- 
bighshire Grits, 158. 
Hincks, Rey. T., on marine Polyzoa, 
1, 122. 
Horse, on a supposed new species of, 
16 
on the 
Hyaloscotes, description of the new 
genus, 314. 
Hydroids, on the origin of the ovum 
in the, 821. 
Ilia, new species of, 265. 
Insects of Ascension Island, on the, 
434. 
Tsocheles, new species of, 277. 
Isomerida, new species of, 290. 
Jeflreys, Dr. J. Gwyn, on Dutch 
Mollusca, 446. : 
Joliet, M., on the Rotifera of the 
genus Melicerta, 448. 
Jones, Prof. T. R., on the paleeozoic 
bivalyed Entomostraca, 532. 
“ Kammplatten ” of Prof. Fritsch, on 
some British specimens of the, 90, 
350. 
Keehler, R., on the circulatory sys- 
tem of Spatangus purpureus, 451. 
Koren, J., on North-Atlantic Echino- 
dermata, 66. 
Kunstler, J., on the Flagellata, 590. 
Lambrus, new species of, 208. 
Leidy, Dr., on Rhizopods, the food 
of young fishes, 240. 
Leperditia, new species of, 345. 
Leperditiz, on some Cambrian and 
Silurian, 332. 
INDEX. 
Lepidoptera, new, 29, 311, 879. 
Leptodius, new species of, 214. 
Lichens, on the theory of, 427. 
Lichtenstein, J., on the migration of 
the Poplar-Aphis, 162; on the 
biological evolution of the Aphis 
of the Alder, 323. 
Lithonephria, on the embryogeny of, 
64. 
Longe, F. D., on some specimens of 
Diastopora and Stomatopora from 
the Wenlock Limestone, 59. 
Lophozozymus, new species of, 211. 
Lunulites, new species of, 127. 
Lycidola, new species of, 208. 
M‘Coy, Prof. F., on a new Volute, 
Madreporaria of Ascension Island, on 
the, 438. 
Malacoscylus, new species of, 296. 
Mammals, new, 14, 16, 228; from 
Kashmir, 95; from Kandahar, 222. 
Mantides, on the structure of the 
oothece of the, 164. 
Marsh, Prof. O. C., on Jurassic Birds 
and their allies, 402. 
Melicerta, on the genus, 448. 
Membranipora, new species of, 3, 128, 
129; 
Mereschkowsky, C., on Wagnerella 
‘borealis, 288. 
Microgromia, new species of, 230. 
Miers, EK. J., on Crustacea from 
Goree Island, Senegambia, 204, 
259, 364; on the Crustacea of As- 
cension Island, 482. 
Milionia, new species of, 381. 
Miltochrista, new species of, 379. 
Mollusca of Ascension Island, on the, 
430; on some Dutch, 446. 
Mucronella, new species of, 124. 
Muller, Dr. J., on the organization of 
Coenogonium and the theory of 
Lichens, 427, 
Neoglypsus, characters of the new 
genus, 27. 
Neptunus, new species of, 217. 
Neuroterus, on alternation of gene- 
ration in, 282. 
Nola, new species of, 315. 
Nonionina, new species of, 415. 
Ochromima, characters of the new 
genus, 151, 
Orley, Dr. L., on Hair-worms in the 
collection of the British Museum, 
326. ° 
