508 
INDEX. 
Scorpio, new species of, 100. 
Seriatopora, new species of, 363. 
Sesia tipuliformis, on the anatomy of, 
185. 
Sharp, Dr. B., on variations in Buli- 
mus exilis, 124 ; on the exuviae 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. 
Snakes, on the exuviae of, 124. 
Solea, new species of, 439. 
Solenoptera, new species of, 27. 
Spalgis, new species of, 347. 
Sphaerozoum, 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. 
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. 
Styptosphaera, new species of, 47. 
Subulina, new species of, 157. 
Symphyllia, new species of, 369. 
Svnaptura, 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. 
Thaumastomias, characters of the 
new genus, 220. 
Thelohan, P., on two new species of 
Coccidea infesting the stickleback 
and the sardine, 194. 
Thenarocrinus, characters of the new 
genus, 223. 
Thomas, O., on a new squirrel, 171. 
Tingra, new species of, 267. 
Traquair, Dr. R. H., 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. 
Triposphaera, charaoters of the new 
genus, 54. 
Trochilium apiforme, on the anatomy 
of, 185. 
Trochonanina, new species of, 151. 
Trogontherium, new species of, 115. 
Turbonilla, new species of, 95. 
Uranoscopus, new species of, 205. 
Uroxys Rodriguezi, remarks on, 380, 
Vine, G. R., on the Bryozoa of the 
Hunstanton Red Chalk, 114. 
Vitrina, new species of, 466. 
Warren, W., on new genera of Pyra- 
lidee, 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- 
covery 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. 
