656 
Triton variegatum, T. lotorium, and T. 
anus, 460, 
Triton anus, 460. 
lotoriunt, 460. 
4, variegatum, 460. 
Trochus Cookti, 433. 
imbricatus, 433. 
iney Mis, 433. 
niloticus, 433. 
stellaris, 436. 
rr virgalus, 433. 
Trochus inermis, T. Cookii, and T. im- 
bricatus, 432 
Trout, teeth of the, 532. 
Trunk-Sish, the, 562. 
Tubiporidz, 218. 
Tubipora musica, 219. 
Tubipora musica, 219. 
Tubularia, 123. 
Tubulous madrepores, 190. 
Tunicata, 308. 
Tunny fish (Thynnus vulgaris), 629. 
» fishing, 630. 
Turbinolia, 174. 
Turbo, imperialis, margaritaceus, and T. 
argyrostomus, 432. 
Turbo argyrostomus, 434. 
impertalis, 435. 
margarttaceus, 434. 
marmoratus, 434. 
» undulatus, 434. 
Turbot (Rhombus maximus), 606. 
Turbot, the, 607. 
Turritella angulata, 438. 
Lontostoma, 438. 
replicata, 438. 
sanguinea, 438. 
terebellata, 438. 
” 
2 
Umbellularia groenlandica, 244. 
Ombellularia groen!andica, 245. 
Unio littoralis, 348. 
»» pictorum, 351. 
Unio littoralis, and U. pictorum, 351. 
Uranoscopus vulgaris, 622, 
Oranoscopus vulgaris, 624. 
Uses of salt in the sea, 21. 
THE OCEAN WORLD. 
Vastness of the oceanic fields of obser- 
tion, 55. 
Vegetable life, 55. 
r Velella limbosa, 151. 
Velella spirans, 152. 
Venus verrucosa, 338. 
Venus verrucosa, 341. 
Veretillum cynomorium, 244. 
Veretillum cynomorium, 245. 
Vibrio, 98 
Vibrio, 99. 
Virgularia mirabilis, 243. 
Virgularia mirabilis, 244. 
Vitrina fasciata, 427. 
Vitrina fasciata, 427. 
Volvox globator, 99. 
Volvox globator, 99. 
Vorticellina, 104. 
Walsh’s Dr., experiments with the Tor- 
pedo, 541. 
Water, 1. 
Weever-fish, the, 623. 
Weevers (Trachinide), 621. 
Whence comes the salt of the sea? 
19. 
Whirlpools, 39. Scylla, 24. Charybdis, 
26. 
White Ray (Raia batis), 537. 
White Ray, the, 537 
Whiting (Merlangus vulgaris), 621. 
Whiting, the, 620. 
Wilke’s expedition, 49. 
Willoughby’s discoveries, 43. 
Winds, 36. Effect on tides, 7d. 
Wrasse (the), Labrus, 570. 
Xiphias gladius (Sword-fish) 639. 
Zoantharia, 100, 171. 
Zoanthus socialis, 175. 
Zoanthus socialis, 175. 
Zone of Calms, 27. 
Zoea forms, 505. 
Zoeca taurus, 506. 
Zygoena, 550. 
CASSELL, PETTER, AND GALPIN, BELLE SAUVAGE WORKS, LONDON, E.Cc. 
