478 
Hawkins, W. B., on the fossil British 
Oxen, 399. 
Heller, C., on the Amphipoda of the 
Adriatic, 154. 
Hemilophus, new species of, 370. 
Hemirhamphus, new species of, 319. 
Heterochzrops, characters of the ge- 
nus, 319. 
Hinnites, new species of, 178. 
Hippopsis, new species of, 39. 
Hogg, J., on the capture of a Ribbon- 
fish, 390. 
Houghton, W., on the occurrence of 
Paludicella Ehrenbergi in Shrop- 
shire, 237. 
Hydra, on the anatomy and physio- 
logy of the Vorticellidan parasite 
of, 401. 
Hydrobiinz, researches upon the, 
393. 
Tanthinze, on the float of the, 278. 
Insects, on the muscular force of, 
139; on the metamorphoses of, 
375. 
Isomerida, description of the genus, 
372. 
James-Clark, Prof. H., on the anato- 
my and physiology of the Vorticel- 
lidan parasite of Hydra, 401. 
Jeffreys, J. G., on the genera Amphi- 
peplea and Assiminea, 309. 
Jerdon, T. C., on the extension of 
certain marine fishes to the fresh- 
water rivers of India, 153. 
Johnson, J. Y., on a new species of 
Polystichum, 287. 
Kangaroos, on the organs of parturi- 
tion in the, 316. 
Kner, Prof., on the swimming-bladder 
and sexual organs of the Murenoid 
fishes, 388. 
Lacaze-Duthiers, M., on a new mode 
of parasitism observed in an un- 
described animal, 155; on the 
multiplicity and termination of the 
nerves in the Mollusca, 157; on 
the circulation in the lower animals, 
238; on the float of the Ianthine, 
' 278. 
Lagenorhynchus albirostris, note on 
the capture of, near Cromer, 312. 
Lankester, E. R., on the Annelida 
and Turbellaria of Guernsey, 388. 
Lasiommata, new species of, 286. 
Laura, observations on the new ge- 
nus, 155. 
INDEX. 
Lecanora, new British species of, 60. 
Lecidea, new British species of, 61, 
350. 
Leighton’s, Rev. W. A., Notule Li- 
chenologice, 58,183, 270, 348,437. 
Lepidoptera, diurnal, new species of, 
285; on the identity of certain 
species of, 435. 
- Lepidosirens, observations on some, 
160; on the systematic position of 
the, 473. 
Leptogium, new British species of, 59. 
Lepturges, new species of, 433. 
Leuckart, Dr. R., on the asexual 
reproduction of Cecidomyide larvz, 
161; on the probable existence of 
accessory eyes in a fish, 320; on 
the developmental history of the 
Nematode worms, 331, 447. 
Leucos, new species of, 311. 
Lichens, on the reaction of iodine in, 
58, 190; new British, 59, 348. 
Limenitis, new species of, 285. 
Limnzus, on the Sandwichian spe- 
cies of, 207. 
Lizard, on a fossil, in copal, 78. 
Longicorns of the Amazons Valley, 
on the, 31, 191, 288, 367, 425. 
Lotella, new species of, 319. 
Lubbock, Sir J., on the metamor- 
phoses of insects, 375. 
Lycidola, new species of, 368. 
Mackerel, on some peculiarities in 
the eye of the, 307. 
Mann, H., onthe method of flight of 
the flyingfish, 397. 
Marmots, on the occurrence of bones 
of, near Graz, 392. 
Marsupials, on the parturition of the, 
382. 
Martens, Dr. E. von, conchological 
gleanings by, 81, 202; on a new 
species of Astacus, 359. 
Matthews, Rev. A., on several new 
species of Trichopterygide, 141. 
Megacera, new species of, 37. 
Menispermacez, on the, 128, 265. 
Meunier, V., on the vital resistance 
of encysted Colpode, 79. 
Miers, J., on the Menispermacez, 
128, 265. 
Milne-Edwards, A., on some bones 
of the Dodo, 473. 
Mobius, K., on the urticating cap- 
sules of some Polypes and Aca- 
lephs, 387. 
