508 



I N D E X. 



Scorpio, new species of, 100. 

 Seiiatopora. new species of, 3G3. 

 Sesia tipuliformis, on the anatomy of, 



185. 

 Sluxrp, Dr. 13., on variations in Buli- 



nuisexilis, l'2i; on the exuviae of 



snakes, 124. 

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

 flies, 103, 340. 

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



Inisor, 503. 

 Shells from Central Africa, on land- 



and freshwater-, 140. 

 Siilerastraea, new species of, 443. 

 Slugs, notes on, 277, 380. 

 Smith, E. A., on new shells, 03, 14G ; 



on species of Achatina from S. 



Africa, 300. 

 Snakes, f)n the exuviae of, 124. 

 Solea, new species of, 439. 

 Solenoptera, new species of, 27. 

 Spalgis, new species of, 347. 

 Sphasrozoum, new species of, 57. 

 Spinther, on the British species of, 



182. 

 Sponges, on a new genus of hornv, 



172. 

 Spongoplegma, new species of, 48. 

 Staurodoras, new species of, 49. 

 Stauroplegnia, characters of the new 



genus, 49. 

 Steuodontes, new species of, 23. 

 Stenogyra, new species of, 157. 

 Stenosoma, new species of, 464. 

 Streptaxis, new species of, 160. 

 Streptostele, new species of, 95. 

 Stylophora, new species of, 362. 

 Styptosphijera, 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. 

 Tarnxsius 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 genua, 

 477. 



Thaumastomias, characters of the 

 new genus, 220. 



Th^lohan, P., on two new species of 

 Coccidea infesting the stickleback 

 and the sardine, 194. 



Thenaruciinus, characters of the new 

 genus, 223. 



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



Tingra, new species of, 207. 



Traquair, Dr. 11. H., on a new species 

 of Gyracanthus, 417 ; on fossil 

 fishes fnm Caithness, 479 : on 

 fossil fishes I'rom Dumfriesshire, 

 491. 



Trigaster, observations on the genus, 

 414. 



Triposphaera, characters of the new 

 genus, 54. 



Trochilium apiforme, on the anatomv 

 of, 185. 



Trochonaninn, new species of, 151. 



Trogontherium. new species of, 115. 



Turbonilla, new species of, 95. 



Uranoscopus, new species of, 205. 



Uroxys IJodri^uezi, remarks on, .'iSO. 



Vine, G. R., on the Bryoz'.a of the 

 Hunstanton Red Cbalk. 114. 



Vitrina, new species of, 466. 



Warren, W., on new genera of Pyra- 

 lida?, 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 Xorth-Italian 

 Bryozoa, 117. 



Wood-Ma^on, Prof. J., on a vivipa- 

 rous Caddis-fly, 139. 



Woodward, A. S., on a new theory 

 of Pterichthys, 314 ; on the dis- 

 covery of a Jurassic fish-fauna in 

 tiie Ilawkosbury beds of New South 

 Wales, 423 ; on the fosi^il fishes of 

 the Ilawkesbury series at Gosford, 

 New South \\'ales, 423. 



Zeritis, new species of, 104. 



END OF THE SIXTH VOLUME. 



rniNTEP BY T.KYLOn A NT FRAXCIS. 

 REI> LION CniKT, FLEET STREET. 







