656 



THE OCEAN WORLD. 



91 



Triton variegatum, T. lotoiium, and T. 



anus, 460. 

 Triton anus, 460. 

 ,, loiorium, 460. 

 ,, vay-iegatum, 460. 

 Trochiis Cookii, 433. 

 „ imbricatus, 433. 

 i?urmts, 433. 

 niloticus, 433. 

 stellaris, 436. 

 Tirgatiis, 433. 

 Trochus inermis, T. Cookii, and T. im- 



bricatus, 432 

 Trout, teeth of the, 532. 

 Trunk-fish, the, 562. 

 Tubiporidse, 218. 

 Tubipora musica, 219. 

 Tubipora musica, 219. 

 Tubularia, 123. 

 Tubulous madrepores, 190. 

 Tunicata, 308. 

 Tunny fish (Thynnus vulgaris), 629. 



,, fishing, 630. • 

 Turbinoha, 174. 

 Turbo, imperialis, margaritaceus, andT. 



argyrostomus, 432. 

 Turbo argyrostomus, 434. 

 „ i7Hperialis, 435. 

 ,, margaritaceus, 434. 

 „ marmoratus, 434. 

 ,, undulatus, 434. 

 Turbot (Rhombus maximus), 606. 

 Turbot, the, 607. 



438. 

 goniostoma, 438. 

 „ repiicata, 438. 

 ,, sanguinea, 438. 

 „ terebellata, 438. 



Umbellularia groenlandica, 244. 

 Umbellularia groenlandica, 245. 

 Unio littoralis, 348. 

 ,, pictorum, 351. 

 Unio Httoralis, and U. pictorum, 351. 

 Uranoscopus \nilgaris, 622. 

 Uraiioscopus znilgaris, 624. 

 Uses of salt in the sea, 21. 



Turritella angulata. 



Vastness of the oceanic fields of obsert 



tion, 55. 

 Vegetable life, 55. 

 Velella limbosa, 151. 

 Velella spirans, 152. 

 Venus verrucosa, 338. 

 Venus verrucosa, 341. 

 Veretillum cynomorium, 244. 

 Verctillum cynofnoriutn, 245. 

 Vibrio, 98 

 J'ibno, 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, i. 



Weez:er-fish, the, 623. 

 Weevers (Trachinidre), 621. 

 Whence comes the salt of the sea ? 



Whirlpools, 39. Scylla, ib. Charybdis, 



ib. 

 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, ib. 

 Wrasse (the), Labrus, 570. 



Xiphias gladius (Sword-fish) 639. 



Zoantharia, 109, 1 71. 

 Zoanthus socialis, 175. 

 Zoanthus socialis, 175. 

 Zone of Calms, 27. 

 Zoea forms, 505. 

 Zoea taurus, 506. 

 ZygcEna, 550. 



CASSELL, PETTER, AND GALPIN, BELLE SALVAGE WORKS, LONDON, E.G. 



J 



