4S6 



INDEX. 



Geotliauina, rtnuiirk.s uii tlio genus, 



284. 

 Glenea, new specii^s of, 388. 

 Gonodactyliis, new species of, 475. 

 Gregariues of marine worms, on the 



development of tlie intestinal, 33!). 

 Gresley, W. S., on some Pennsylva- 



nian Calamites, 260. 

 Grobben, Prof. K., on the genealogy 



and classification of the Crustacea, 



440. 

 Guerne, J. de, on Crustacea commen- 

 sal with Mediterranean turlles,414. 

 Giinther, R. T., on the freshwater 



Medusa of Lake Tanganyika, 269. 

 Gyrostropha, on the genus, 284. 

 Halys, new species of, 391. 

 Harmer, S. F., on a specimen of 



Sowerby's Whale, 275. 

 Hart, J. H., on the habits of a species 



of Trigona, 327. 

 Iledley, C, on the range of Placo- 



stylus, 435. 

 Helix, new species of, 19. 

 Ilenicops, new species of, 125. 

 Plenneguy, F., on a Sporozoon para- 

 sitic in the muscles of the Cray- 

 fish, 195. 

 Herrick, F. II., on variations in the 



metamorphosis of the same species, 



263. 

 Hesperomys Couesi, remarks on, 403. 

 Heteromys, new species of, 329, 

 Hick, T., on Calamostachys Binney- 



ana, 259. 

 Ilincks, Rev. T., general history of 



the marine Polyzoa, 175. 

 Ilinde, Pr. G. J., on a Radiolarian 



rock from Port Darwin, 481. 

 Histeridffi, new, 417. 

 Pljort, J., on the development of the 



C(mipound Ascidians, 335. 

 Homalopygus, new species of, 421. 

 Hystrix, new species of, 230. 

 Indian deep-sea Asteroidea, 73 ; 



dredging during 1890-91, on the 



results of, 161. 

 Insects, on the organization of the 



brain in, 62. 

 lulidfc, new species of, 248. 

 lulomorpha, new species of, 134. 

 lulus, new species of, 132. 

 Ixodes, on the embryology of, 220. 

 Kennel, Prof. J. von, on the affinities 



and origin of the Tardigrada, 197. 

 Lagoehilus, new species of, 352. 

 Lamprev, on the embrvologv of tlie 



river-" 30. 



Lam])rocystis, new species of, 348. 



L6ger, L., on the development of the 

 intestinal gregarines of marine 

 worms, 339. 



Lepidoptera, new, 210, 294, 400. 



Leptopoma, new species of, 352. 



Lepus, on the development of tlie 

 tuoth-rudiments in, 307. 



Lethe, new species of, 218. 



Lewis, G., on some Japanese Scaphi- 

 diid;c, 288 ; on new Japanese Co- 

 leoptera, 354, .",94 ; on new species 

 of Ilisteridie, 417. 



Lichomolgus concijmus, description 

 of, 212. 



Light, on the influence of, on the 

 coloration of crustaceans, 142. 



Liniax cinereo-uiger, on the specific 

 rank of, 225, 286. 



Linnmcnida, characters of the new 

 genus, 274. 



Lithobius, new species of, 126. 



Lizards, on some Jurassic and Cre- 

 taceous, 204. 



Lowne, Prof. B. T., on the mouth- 

 organs of tlie Biptera, 182. 



Lwoff, B., on the formation of the 

 germinal layers in Vertebrates, 360. 



Lydekker, R., on a Sauropodous 

 Dinosaurian vertebra from the 

 Wealden of Hastings, 259. 



Lyramorpha, new species of, 430. 



Lyrosoma, new species of, 355, 



Macrochenus, new species of, 380. 



Macrochlamys, new species of, 348. 



Macroura, on the metamorphoses of 

 the, 263. 



Malacostraca, on the probable ances- 

 tral forms of the, 462. 



Malard, A.-E., on the influence of 

 light on the coloration of Crusta- 

 ceans, 142. 



Mammalia, new, 46, 48, 49, 184, 

 229, 329, 341, 403, 405. 



Maigites, new species of, 378. 



Mediaster, new species of, 98. 



Medusa, on the freshwater, of Lake 

 Tansanyika, 209. 



Melvill, J. C, on new species of Mol- 

 lusca, 19. 



Mesoplodon bidens, notes on a speci- 

 men of, 275, 439. 



Metamorphosis of the same species, 

 large variations in the, 263. 



Miltiliphaster, characters of the new 

 genus, 91. 



Mites, on the embryologv of the, 220. 



Mollusca. new, P.). 218. 347: on 



