508 



INDEX. 



Scorpio, new species of, 100. 

 Seriatopora, new species of, 363. 

 Sesia tipuliformis, on tlie anatomy of, 



185. 

 Sharp, Dr. B., on variations in Buli- 



musexilis, 124; on the exuvife of 



snakes, 124. 

 Sharpe, Miss E. M., on new butter- 

 flies, 103, 346. 

 Sharpe, R. B., on a new species of 



Irrisor, 503. 

 Shells from Central Africa, on land- 



and freshwater-, 146. 

 Siderastraea, new species of, 443. 

 Slugs, notes on, 277, 380. 

 Smith, E. A., on new shells, 93, 146 ; 



on species of Achatina from S. 



Africa, 390. 

 Suakes, on the exuviae of, 124. 

 Solea, new species of, 439. 

 Solenoptera, new species of, 27. 

 Spalgis, new species of, 347. 

 SphiBrozoum, new species of, 57. 

 Spinther, on the British species of, 



182. 

 Sponges, on a new genus of horny, 



172. 

 Spongoplegma, new species of, 48. 

 Staurodoras, new species of, 49. 

 Stauroplegma, characters of the new 



genus, 49. 

 Stenodontes, new species of, 23. 

 Steuogyra, new species of, 157. 

 Stenosoma, new species of, 464. 

 Streptaxis, new species of, 160. 

 Streptostele, new species of, 95. 

 Stylophora, new species of, 362. 

 Styptosphsera, new species of, 47. 

 Subulina, new species of, 157. 

 Symphyllia, new species of, 369. 

 Synaptura, new species of, 441. 

 Synchirus, characters of the new 



genus, 119. 

 Taeniolabrus, new species of, 430. 

 Tarrasius problematicus, notes on, 



494. 

 Tauredophidium, characters of the 



new genus, 212. 

 Taurotagus, new species of, 247. 

 Tereticus, new species of, 459. 

 Teriomima, new species of, 268. 



Terminology of the Echinoderms, on 

 the, 1. 



Tetridia, characters of the new genus, 

 477. 



Thaumastoraias, characters of the 

 new genus, 220. 



Thelohan, P., on two new species of 

 Cdccidea infesting the stickleback 

 and the sardine, 194. 



Thenarocrinus, characters of the new 

 genus, 223. 



Thomas, O., on a new squirrel, 171. 



'J'ingra, new species of, 267. 



Traquair, Dr. li. II., on a new species 

 of Gyracanthus, 417 ; on fossil 

 fishes from Caithness, 479 ; on 

 fossil fishes from Dumfriesshire, 

 491. 



Trigaster, observations on the genus, 

 414. 



Triposphfera, characters of the new 

 genus, 54. 



Trochiliuiu apiforme, on the anatomy 

 of, 185. 



Trochonanina, new species of, 151. 



Trogontheriuni, new species of, 115. 



Turbonilla, new species of, 95. 



Uranoscopus, new species of, 205. 



Uroxys Kodriiruezi, remarks on, 380. 



Vine, G. R., on the Bryozoa of the 

 Hunstanton Red Chalk, 114. 



Vilrina, new species of, 466. 



Warren, W., on new genera of Pyra- 

 lidc-e, 474. 



Watase, S., on the compound eyes of 

 Arthropods, 123. 



Waterhouse, C. O., on new Coleo- 

 ptera, 107 ; on new species of 

 Pedaria, 374. 



Waters, A. W., on North-Italian 

 Bryozoa, 117. 



Wood-Mason, Prof. J., on a vivipa- 

 rous Caddis-fly, 139. 



Woodward, A. S., on a new theory 

 of Pterichthys, 314 ; on the dis- 

 cover}^ of a Jurassic fish-fauna in 

 the Hawkesbury beds of New South 

 Wales, 423 ; on the fossil fishes of 

 the Hawkesbury series at Gosford, 

 New South Wales, 423. 



Zeritis, new species of, 104. 



END OF THE SIXTH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 



RED LION COURT, FLEET STREET. 



