INDEX. 



611 



Delphinula sphserula, 417. 



Dendrophylla ramea, 160. Magnified, 161. 



Density of salt water, ]6. 



Dentalina communis, 92. 



Depth of the sea, 1. 



Depths of oceanic storms, 63. 



Diodon pilosus, 532. 



Diphydse, 242. 



Disaster of the San Francisco, 32. 



Discobolidas, 544. 



Discophora, 198. 



Distribution of land and water, 1. 



Dog-fish (Acanthias vulgaris), 522. 



Donax trunculus, 320. 



rugosus and D. denticulatus, 333. 



Dredge employed in Oyster fishing, 375. 



Dujardin's discoveries, 85. 



D'Urville's voyages, 44, 51. Adelia's Land, 



53. 

 Dykes of Holland undermined, 322. 



Early animal life, 61. 



Echineis remora, 544, 545. 



Echinodermata, 259. 



Echinoidse, 280. Armament, ib. Ske- 

 leton and masticating apparatus, 288. 



Echinus esculeutus, 284. 



mamillatus, without spines, 282. 



with spines, 281. 



Edible Snails, 405. 



Edwardsia calirnorpha, 191. 



Effects of hurricanes, 40. 



Eggs of Sepia oflicinalis, 457. 



Electrical Eel, 537. 



Electrical properties of the Cramp-fish, 514. 

 Organs described, 518. 



Eledone moschatus, its habits, 465. 



Encrinites, or Stone-lilies, 270. 



Encrinus liliforrnis, 271. 



Enderby's Land, 44. 



Equinoctial currents, 30. 



Eschara, 307. 



Esocidse, 571. 



Euglenia yiridis, 111. 



European pentacrinus, 273. 



Euryalina, 279. 



Evaporation, 17. Its effects on the sea, 18. 



Exocoetus exiliens, 573." 



Expanding Coral, 135. 



Experiments on the Physalia, 249. 



Exuberance of life in the ocean, 62. 



Fabularia discolithes, 95. 



Falkland Islands, 165. 



Fan Gorgon, magnified, 122, 



Faujasina, 91. 



File-fish (Balistes), 532. 



First Oyster-eater, 369. 



Fishes, their organization, 502. Locomo- 

 tive apparatus, ib. Swimming bladder, 

 503. Breathing apparatus, 505. Sight, 

 ib. Propagation, 507. Classification, 508. 



Fish's eye, 505. 



teeth, 506. 



Fishing for Coral, 137. 



Electrical Eels with horses, 



539. 



Halibut, 551. 



Sponges, 78. 



Flabellum pavoniuum, 153. 

 Flat fishes, their organization, 546. Spe- 

 cial properties, ib. 

 Flight of the Flying-fish, 573. 

 Flounders (Platessa fiessus), 549. 

 Flustra foliacea, 308. 

 Flux of the waves, 37. 

 Flying-fish, 571, 573. 

 Gurnard, 595. 



Fog-banks, 26. 

 Foraminifera, 87. 

 Franklin's discoveries, 47. 

 Fringing reefs, 174, 175. 

 Frog-fish (Lophius), 605. 

 Fungia agariciformis, 159. 

 echinata, 158. 



Fusus proboscidiferus, F.'pagodus, and F. 

 colus, 436. 



Gadidae, 552. 



Galeolaria aurantiaca, 244. 



Gathering of the waters, 11. 



Generation of Star-fishes, 267. 



Geographical distribution of Oysters, 368. 



Gigantic Cephalopod stranded on the coast 



of Jutland, 461. 

 Globe-fish, 530. 

 Gorgonia flabellum, 121. 



verticellata, 123. 



Gorgonidse, 121. 



Gosse's description of the Sea-urchin, 282. 



Gulf of Mexico, 9. 



Stream, 32. 



Gurnards (Trigla), 594. 



Gymnotus, its electrical properties, 538. 



Effect of its shock, '540. 



Haddock (Morrhua aeglefinus), 559. 

 Halibut, 551. 



Hammerhead (Zygaena malleus), 523. 

 mollusc, 352. 



Harpa imperialis, and H. articularis, 434. 

 ventricosa, 433. 



Harpooning Holothuria, 295. 



Helix citrina, and H. Stuartia, 408. 



Hermit Crab, 492. 



Herring, the, 575. Fisheries, 576. Habits, 

 577. Scotch fisheries, ib. Dutch fish- 

 eries, 578. A night at the herring 

 fishery, 580. Norwegian fisheries, 582. 



Holothuria lutea, 293. 

 fishery, 295. 



Humboldt's researches, 538. 



Hyalea gibbosa, and H. longirostris, 443. 



