650 



THE OCEAN WORLD. 



Donax trunculus, 312. 



,, rugosus and D. denticulatus, 337. 

 Dredge employed in oyster lishing, 387. 

 Dujardin's discoveries, 92. 

 D'Urville's voyages, 47. Adelia's 



Land, 48. 

 Dykes of Holland undermined, 322. 



Early dawnings of animal life, 62. 



Echineis remora, 642. 



Jichiiicis remora, 643. 



Echinidaj, 273. Skeleton and masti- 

 cating apparatus, 275. 



Echinodermata, 253. 



Echinus escuientus, 276. 



Echinus esciilcntus, ITJ. 

 ,, livid lis, 279. 



Edible Snails, 422. 



Edwardsia calimorpha, 215. 



Edwardsia calimorpha, 215. 



Effects of hurricanes, 40. 



Eggs of Sepia officinalis, 483. 



Electrical Eel, 570. 



Electrical eel, the, 571. 



Electrical properties of the Torpedo, 

 540. Organs described, 542. 



Electric ray, the, 539. 



Eledone moschatus, its habits, 491. 



Encrinites, or Stonedilies, 264. 



Encrinus liliformis, 264. 



Equinoctial currents, 25. 



Eschara, 303, 308. 



Esojidae, 568. 



Euglena viridis, loi. 



Eugleiia viridis, lOl. 



Evaporation, 16. Itseffectsonthesea, 17. 



ExociTitus exiliens, 565. 



Experiments on the Physalia, 144. 



Exuberance of life in the ocean, 55. 



Fabula7'ia discolithes, 82. 



Fabularia discolithes, 81. 



Falkland Islands, 164. 



Fan Gorgon, 223. 



File-fish (Balistes), 561. 



File-fish, the, 561. 



Fishes eye, a, 531. 



P'ishes, their organisation, 527. Loco- 

 motive apparatus, ib. Swimming 

 bladder, 528. Breathing apparatus, 

 530. Sight, ib. Propagation, 532. 

 Classification, 533. 



Fishing for Coral, 236. 



,, Electrical Eels with horses, 



572. 

 ,, Holibut, 613. 



Sponges, 70, 

 Fistularia, 621. 

 Flabellum pavonium, 178. 

 Flabel'um pavonium, 177. 

 Flat fishes, their organisation, 604. 

 Flight of the Flying-fish, 565. 

 Flounders (Platessa flesus), 608. 

 Flitstra foliacea, 307. 

 Flustra foliacea, 308. 

 Flying-fish, 565. 

 Flying-fish, the, 566. 

 Flying Gurnard, 628. 

 Foraminifera, 79. 

 Franklin's discoveries, 44. 

 Fringing reefs, 198. 

 Frog-fish (Lophius), 643. 

 Frog-fish, the, 644. 

 Fungia agariciformis, 182. 



,, echinata, 184. 

 hungia echinata, 1S2. 



,, patella, 183. 

 Fits us coins, 46 1 . 



,, pagodiis, 461. 



,, proboscidiferus, 461. 

 Fusus proboscidiferus, F. pagodus, and 



F. colus, 462. 



Gadidae, 613. 



Galeolaria aurantiaca, 128. 



Ganoidea, 533, 552. 



Generation, Spontaneous, 95. 



Geographical distribution of Oysters, 378. 



Gigantic Cephalopod stranded on the 



coast of Jutland, 486. 

 Globe-fish, 559. 

 Globe -fish, the, 559. 

 Gold-fish Dorada, teeth of, 532. 

 Gorgonia fla bellum, 2 20, 2 2 1 . 



,, verticellata, 222, 223. 

 Gorgonia flabellum, G. verticellata, 223. 

 Gorgonidae, 220. 

 Gulf of Mexico, 8. 



,, Stream, 28. 

 Gurnard, the flying, 628. 



,, the red, 627. 

 Gurnards (Trigla), 627. 

 Gymnotus, its electrical properties, 572. 



Effect of Its shock, 572. 



