684 



INDEX TO VOL. XIX. 



Abeaxas, new species of, 447. 

 Acanthoctenus, new specios of, 103. 

 Acaulona costata, remarks on, 28. 

 Achatiua, new species of, 636. 

 Acraea, new species of, 581. 

 Adnietinse, note on the new sub- 



familv, 3o8. 

 Afranippe, note on the genus, 112. 

 Air-spaces iu flying animals, on the, 



149. 

 Aliodor, new species of, 406. 

 Alcidaniea, new species of, 400. 

 Ambulyx, new species of, 580. 

 Ammodytes tobianus, on the spawn- 

 ing of, 241. 

 Ammoplanus, new species of, 402. 

 Anaitis, new species of, 553. 

 Ancara, new species of, 167. 

 Andrews, C. "SV., on the structure of 

 the skull of a Pliosaur, 350; on a 

 cast of tlie brain-cavity of Iguano- 

 don, 585. 

 Andricus, new species of, 261. 

 Auidiops, characters of the new 



genus, 114. 

 Animals, on the air-spaces in flying, 

 149 ; on movement in a circle as 

 the fundamental form of move- 

 ment iu, 155; on nocturnal pro- 

 tective coloration in, as developed 

 by natural selection, 354. 

 Anonychifl, new species of, 225. 

 Antennophorus Uhlmanni, on the 

 rtlatinns vf, to Lasius mixtus, 020. 

 Anthera?a, new species of, 393. 

 Aparallactus, new species of, 154, 



279. 

 A]iericallia, characters of the new 



genus, 211. 

 Arachiiida, new, 78, 109, 110, 283, 



360, 510. 

 Arichnnna, new species of, 434. 

 Arinin, new species of, 627. 

 Assiminea, new species of, 6.S9. 

 Astacus, on the generic name, 120, 



239, 352, 353, 470. 

 Asthipa, new species of, 173. 

 Auzea, new species of, 182. 

 Jiaccha ];h}i'optera, remarks on, 20. 

 I'mpta. new species of, 198. 

 r.atrachia, new, 10, 106, 508. 



Bell, F. J., on the generic name of 

 the river crayfish, 239. 



Bembidula, new species of, 371. 



Biston, new species of. 322. 



Boarmia, new species of, 340. 416. 



Books, new : — Hampson's Moths of 

 British India, Vol. IV., 236; 

 Theobald's Parasitic Diseases of 

 Poultry, 237 ; Hartert's Das 

 Tierreich, I. Lief. — Ave.>, 679. 



Bordas, L., on the Malpighian tubes 

 of Orthoptera, 680. 



Boulenger, G. A., on new lizards and 

 frog^ from New Guinea, 6 ; on new 

 Malay frogs, 106 ; on a n^w snake 

 from Sierra Leone, 154 ; on a new 

 fish from Lake Nyassa, L>5 ; on 

 reptiles and batrachians from the 

 Congo Free State, 276 ; on a new 

 snake from Usambara, 281 ; on a 

 new lizard from Obok, 467 ; on a 

 new genus and species of tortoises 

 from Borneo, 468 ; on reptiles and 

 batrachiaus from Lombok &c., 

 503. 



Bouvier, E.-L., on the organization 

 and aflinities of Pleurotomaria, 

 583. 



Broteochactas, new .species of, 364. 



Ikotheas, observations on the genus, 

 367. 



Buliminns, new species of, 637. 



Bvitler, Dr. A. G., on the sexes of 

 Charaxes mixtus, 124; on anew 

 butterfly from Borneo, 469 ; on a 

 new Afiican species of Mylothris, 

 627. 



Bylnzora, new species of, 333. 



Cambridge. F. O. P.. on the Cteni- 

 form spiders of the New World, 52. 



(^inieron, P , on new Hynienoptera 

 from Central America, 261, 368. 



Cnmpsurus Picteti, definition of the 

 ncAv name, 016. 



Carige, new species of, 552. 

 Cnthypna, new .species of, 631. 

 Caturus, new species of, 292. 

 Caullery, M., on Spirorbis, 411. 

 Ceutris, new specie.s of, 394. 

 Cephalopod, on a gigantic, on the 

 iloiida const, 240, 682. 



