446 
Guppy, R. J. L., on new species of 
bivalve Mollusca, 49; on some 
marine shells, 50. 
Hackel’s Gastrea theory, on, 1,87, 92. 
Hemulon, new species of, 268. 
Haly, A., on new species of Fish, 268. 
Hebesecis, new species of, 67. 
Hector, Dr. J., on five new species of 
fishes, 78. 
Heliconius, new species of, 223. 
Helotium, new species of, 38. 
Herpeton tentaculatum, note on, 159. 
Higgin, T., on two sponges from the 
Philippines, 377. 
Hippothoa, on some species of, 123. 
Hutton, Capt. F. W., on two new 
species of Crustacea, 41, 
Huxley, Prof. T. H., on the brain 
and skull of Amphioxus lanceola- 
tus, 225. 
Hyaleucerea, characters of the new 
genus, 399, 
Hyalonema, new species of, 377. 
Hydnum, new species of, 31. 
Hyphasmopora, description of the 
new genus, 43. 
Isodictya, new species of, 176. 
Ixus, new species of, 401. 
Jeffreys, J. Gwyn, on submarine- 
cable fauna, 169. 
Jones, Prof. T. R., on the palzeozoic 
bivalved Entomostraca, 52. 
Josia, new species of, 340. 
Kangaroos, on Prof. Owen's arrange- 
ment of the fossil, 204. 
King, Prof. W., on oceanic sediments, 
198. 
Kirkby, J. W., on the paleozoic bi- 
valved Entomostraca, 52. 
Kneiffia, new species of, 32. 
Kowalevsky’s, A., researches in em- 
bryology, 92. 
Krefft, G., on Prof. Owen’s arrange- 
ment of the fossil Kangaroos, 204, 
Labaria hemispheerica, on, 386. 
Lamellibranchiata, notes on Carbo- 
niferous, 427. 
Leidy, Prof., on some Rhizopods, 160; 
on the mode in which Ameceba 
swallows its food, 232; on the 
motive power of Diatoms, 234. 
Lentinus, new species of, 30. 
Lepidoptera, new, 135, 222, 338, 396. 
Leptodora hyalina, on the structure 
and development of, 373. 
Leptostroma, new species of, 33. 
Leptothyrium, new species of, 33. 
INDEX. 
Leucochloridium paradoxum, obser- 
vations on, 162. 
Limulus, on an undescribed organ in, 
255, 
Liphistius, new species of, 249, 
Lithobioidee, on new, 188. 
Low, Dr. F.,0n a new gall-producing 
Anguillulide, 342. 
Lygesis, new species of, 62. 
M‘Coy, Prof. F., on a new species of 
Trigonia, 316. 
Macrurus, new species of, 81. 
Mactra, new species of, 49. 
Mammals, on a new order of, 307. 
Marion, A. F., on the Nematoids of 
the Gulf of Marseilles, 306; on 
the Mediterranean species of the 
genus Kusyllis, 307; on the ana- 
ay of Drepanophorus spectabilis, 
371. 
Marsh, Prof. O. C., on a new order 
of Eocene Mammals, 307. 
Mayer, Prof. A. M., on the auditory 
apparatus of the Culex mosquito, 
349, 
Megaleema, new species of, 400. 
Meyer, Dr. A. B., on Ceratodus 
Forsteri and C. miolepis, 368; on 
the habitat of Peristethidion pri- 
onocephalum, 371. 
Miall, L. C., on Ctenodus cristatus, 
36. 
Milne-Edwards, A., on the period of 
extinction of the ancient Fauna of 
the Island of Rodriguez, 436. 
Mimeusemia, characters of the new 
genus, 397. 
Miocydus, description of the new 
genus, 59. 
Mollusca, new species of bivalve, 49. 
Monochamus, new species of, 64. 
Morpho, new species of, 338. 
Moseley, H. N., on Pelagonemertes 
Rollestoni, 165. 
Motella, new species of, 82. 
Murex, new species of, 420. 
Myalina crassa, observations on, 427. 
Myriothela, on the structure and de- 
velopment of, 297. 
Mytilus edulis, on the anatomy of, 157. 
Myxotrichum, new species of, 37. 
Nassa, new species of, 423. 
Nematoids, on the peripheral nervous 
system of the marine, 235; of the 
Gulf of Marseilles, on the, 306. 
Nematoptychius, description of the 
new genus, 259. 
