444 



INDEX to VOL. XVI. 



Acalonoma, characters of the new 



genus, 57. 

 Acidalia, new species of, 418. 

 Acontia, new species of, 404. 

 Actinura, new species of, 340. 

 Actizeta, characters of the new genus, 



214. 

 -^Ega, new species of, 115. 

 ^Ethreus, characters of the new genus, 



65. 

 Agestra, new species of, 59. 

 Aglossa, new species of, 412. 

 Alexirhea, new species of, 55. 

 Alpheus, new species of, 343. 

 Amazons valley, on the geological 



structure of the, 359. 

 Amphicentrum granulosum, on the 



structure of, 273. 

 Amplexus, characters of the genus, 



424. 

 Amyna, new species of, 403. 

 Amytis, new species of, 286. 

 Anderson, Dr. J., on some new Asia- 

 tic Mammals and Chelonia, 282. 

 Antyllis, new species of, 60. 

 Anurosorex, new species of, 282. 

 Apamea, new species of, 403. 

 Arachnida, on new and curious forms 



of, 383. 

 Arboricolpe, on the occurrence of a 



superorbital chain of bones in the, 



145. 

 Architeuthis princeps, observations 



on, 266. 

 Arctomys, new species of, 283. 

 Argyris, new species of, 419. 

 Aspilates, new species of, 419. 

 Atypus, new species of, 242. 

 Austin, Major T., on the genus Pla- 



tycrinus, 90. 

 Azygograptus, description of the new 



genus, 269. 

 Balbiani, M., on the sexual repro- 

 duction of Vorticellians, 437. 

 Barrois, J., on the larval forms of the 



Bryozoa, 301. 

 Bathybius, note on, 304 ; on the true 



nature of the so-called, 322. 



Bats, new, 232, 260. 



Birds, new, 54, 228, 285, 339, 344, 

 370, 429. 



Blanford, W. T., on new Mammalia 

 from Persia and Baluchistan, 309. 



Books, new: — Baily's Characteristic 

 British Fossils, 371; The Micro- 

 graphic Dictionary, 4-30 ; McLac- 

 land's Trichoptera of the European 

 fauna, 432. 



Borax, on the action of, in fermen- 

 tation and putrefaction, 148. 



Botys, new species of, 416. 



Brady, Prof. G. S., on new Entomos- 

 traca, 162. 



Bryozoa, on the larval forms of the, 

 301. 



Buccinopsis, new species of, 68. 



Buccinum, new species of, 107. 



Butler, A. G., on the genus Hemi- 

 sphserius, 92 ; on the subfamily 

 Pericopiinse, 163 ; on two new spe- 

 cies of Heterocerous Lepidoptera, 

 233 ; on South-African Lepido- 

 ptera, 394. 



Oaberodea, new species of, 417. 



Calcispongise, on the development of 

 the, 41. 



Calyptostoma, characters of the new 

 genus, 384. 



Cambridge, Rev. O. P., on new and 

 rare British Spiders, 237 ; on a 

 new genus of Trap-door Spider, 

 317 ; on new and curious forms of 

 Arachnida, 383. 



Carpenter, Dr. W. B., on the anato- 

 my of Comatula, 202. 



Carter, H. J., on the classification 

 and study of the Spongida, 1, 126, 

 177 ; on the relation of the canal- 

 system to the tubulation in the 

 Foraminifera, 420. 



Cataclysta, new species of, 415. 



Cecyropa, characters of the new 

 genus, 221. 



Centropages, new species of, 162. 



Cepbalopbora, on the primary origin 

 of the sexual products in the, 157. 



