502 



, INDEX. 



Lithislidse. on the, 113, 235, 324. 



885, 467. 

 Lockiugtun, W. N., on the Thalas- 

 sinidea aud Astacidea of the Paci- 

 fic coast of North America, 299 ; 

 on Saurus lucioceps, 348; on the 

 Porcellanidea of the west coast of 

 North America, 394. 

 Loftusia, new species of, 344. 

 Lotella, new species of, 19. 

 Liitkenia, on the new genus, 188 ; 

 on the identit}^ of, with Ophio- 

 pleura, 260. 

 Lycsena, new species of, 290. 

 Lymnaea, on the occurrence of the 



genus in Australia, 493. 

 M'Oook, Eev. H. C, on a probable 

 distribution of a spider by the 

 trade-winds, 270. 

 Macrurus, new species of, 23. 

 Malacosteus, new species of, 181. 

 Mammalia, on the fossil, of South 



America, 271. 

 Manatus americanus, on tlie size of 

 the red blood-corpuscles of the, 

 172. 

 Marsh, Prof. O. C, on Dryolestes 



prisons, 108. 

 Mastosia, description of the new 



genus, 393. 

 Megalithista, new species of, 389. 

 Megalognatha, characters of the new 



genus, 416. 

 Melanonus, characters of the new 



genus, 19. 

 Mereschkowsky, C.,'on the mode of 

 development of the tentacles in 

 Hvdra, 251 ; on new Hydroida 

 from the North Pacific ocean, 433. 

 Mesocyphon, new species of, 50. 

 Metou, new species of, 372. 

 Miers, E. J., on some Crustacea from 



the Gulf of Akaba, 406. 

 Millepora, on the structure of, 28. 

 Milne-Edwards, Prof., on the aerial 

 respiration of some Brazilian fishes, 

 105. 

 Mimastra, new species of, 414. 

 Mispila, new species of, 376. 

 Molluscan fauna of New Guinea, on 



the, 110. 

 Mosasauridse, on the rank and affini- 

 ties of the, 92, 341. 

 MiiUer, Dr. F., on the Nauplius stage 



of Prawns, 426. 

 Myagrus, characters of the new 

 genus. 371. 



Mycalesis, new species of, 288. 



Myrcina, new species of, 232. 



Napeogenes, new species of, 257. 



Narope, new species of, 259. 



Neanthes, characters of the new 

 genus, 372, 



N'emichthys, new species of, 251. 



Nephele, new species of, 455. 



Neptis, new species of, l77. 



Newton, E. T., on remains of Hyp- 

 sodon, Portlieus, and Ichthyo- 

 dectes, 93 ; on a crocodilian jaw 

 from the Coral Rag, 102 ; on a 

 new fish from the Lower Chalk, 

 268 ; on Saurocephalus, 345. 



Norman, Eev. A. M., on the Wille- 

 moesia group of Crustacea, 382. 



Nucula gibbosa, on the hinge-struc- 

 ture of, 33. 



Nuculaua attenuata, on the hinge- 

 structure of, 33. 



CEdionychis, new species of, 223. 



Ophiopleura, observations on the 

 genus, 188, 266. 



Ophthalmodes, new species of, 

 405. 



Owen, Prof., on the Mosasauridse, 92, 

 341 ; on Argillornis longipennis, 

 08 ; on the influence of the advent 

 of a higher form of life in modi- 

 fying the structure of an older and 

 lower form, 101 ; on the occur- 

 rence in North America of rare 

 extinct Vertebrates found frag- 

 mentarily in England, 201. 



Pachycheles, new species of, 404. 



Pachyteria, new species of, 136. 



Palfedaphus, observations on the 

 genus, 12. 



Palfeoniscus, note on the genus, 90. 



Panopea, new species of, 177. 



Parfitt, E., on the structure of Hali- 

 physema Tumanowiczii, 88. 



Parthenogenesis in bees, on, 428, 497. 



Pascoe, F. P., on new Longicom 



Coleoptera, 370. 

 Peach, C. W., on Sphenopteris affi- 



nis and on Staphylopteris, 90. 

 Pecten Sowerbii,on the hinge-struc- 

 ture and generic affinity of. 30. 

 Pelanechinus, description of the new 



genus, 344. 

 Pentacheles, characters of the new 



genus, 276. 

 P^rez, J., on the causes of the buzzing 

 of insects, 349; on the oviposition 

 of the queen bee, 428. 



