INDEX. 



615 



Sword-fish (Xiphias), 602. Warlike habits, 



603. Fishing, ib. 

 Symphynota, 355. 

 Synapta duvernea, 299. 

 Siiccinea putris, 409. 



Tabulate madrepores, 163. 

 Teeth of the Bream, 506. 



Carp, ib. 



. Gold-fish, 507. 



, Trout, ib. 



Tellina radiata, 334. 



sulphurea, and T. donacina, ib. 



virgata, ib. 



Temperature of the sea, 24. 

 Tentacles of Molluscs, 302. 

 Tentaculiferous Cephalopods, 445. Their 



suckers (Acetabula), ib. 

 Teredo navalis, its ravages, 322, 325. 

 Testacella haliotidea, 401. 

 Textilaria, 92. 

 ThalassianthidsB, 191. 

 Thames Oyster beds, 368. 

 Thermal lines of sea temperature, 23. 

 Thynnus pelamys (the Bonito), 596, 602. 

 Tidal wave, 39. Its height in different 



seas, 40. Of the Atlantic, 25. 

 Tides, 35. 



Torpedo marmorata, 514. 

 Trachinus communis, 590. 

 Trade- winds, their origin, 30. 

 Trembley's discoveries, 72. 

 Tridacna gigas, 338. 



squamosa, 339. 



Triton variegatum, T. lotorium, and T. 



anus, 435. 

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



catus, 414. 



niloticus, and T. virgatus, 414. 



stellaris, 417. 



Tubelaridse, 226. 

 TubiporinsB, 120. 

 Tubipora musica, ib. 

 Tubulous madrepores, 150. 

 Tunieata, 309. 

 Tunny fish (Thynnus), 596. 



fishing, 597. 



net, ib. 



Turbo imperialis, 416. 



margaritaceus and T. argyrostomus, 



415. 

 undulatus, 415. 



Turbot (Rhombus), 548. 



Ultima Thule, 43. 



Umbellularia Greenlandica, 143. 



Unio littoralis, 340 ; and U. pictorum, 341. 



Uranoscopus vulgaris, 592. 



Urbulina universa, 92. 



Uses of salt in the sea, 23. 



Vastness of the oceanic fields of observa- 

 tion, 64. 



Vegetable life, ib. 

 Venus verrucosa, 335. 

 Veretillum cynomorium, 144. 

 Vetrina fasciata, 409. 

 Vibracule in molluscs, 301. 

 Vibrioni baguetta, 1 08. 

 Vilelladse, 229. 



limbosa, ib. 



Virgularia, 142. 



mirabilis, ib. 



Volvox globator, 101. 



Walsh's, Dr., experiments with the Tor- 

 pedo, 515. 

 Water, 1. 

 Water-lilies, 304. 

 Watering-pot, the, 331. 

 Waves off Cape Horn, 41. 

 Weddell's discoveries, 44, 51. 

 Weight of the waters of the sea, 11. 



of equatorial waters, 28. 



Weevers (Trachinus), 590, 591. 

 Whence comes the salt of the sea? 21. 

 Whirlpools, 42. Scylla, ib. Charybdis, ib. 

 White Ray (Raia batis), 511. 

 Whiting (Merlangus vulgaris), 559, 560. 

 Whorled Gorgon, magnified, 1 24. 

 Wilkes's expedition, 44, 51. 

 Willoughby's discoveries, 43. 

 Winds, 39. Effect on tides, ib. 

 Wrasse (the), Labrus, 606. 



Young Oysters, 366. 



Polyp attached to a rock, 135. 



Zenith points, 36. 



Zoantharia 147, 159. 



Zoanthoa thalassanthos, 148. 



Zoanthus socialis, 193. 



Zone of Calms, 30. 



Zoophytes, 69. Its derivation, 70. 



LONDON: PRINTED BY w. CLOWES AND SONS, DUKE STREET, STAMFORD STREET, 



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