612 



INDEX. 



Indian Ocean, 2. 



Industrial occupation on the sea-shore, 65. 



Inequalities of the sea-basin, 9. 



Infusoria, 97. Their numbers, ib. In the 



Ganges, ib. Species, ib. In blocks of 



ice, 98. Reproduction, 103. 

 Infusorial parasites, 105. 

 Isis corolloidis. 124. 

 hippuris, 125. 



Jan May en's Island, 44. 



Kane's, Dr., discoveries, 25, 49. 

 Kerguelen Island, 44. 



Kraken, marvellous stories concerning, 

 460. 



Labridse, 606. 



Labrus communis, ib. 



Labyrinthiibrm Pharyngeans, 596. 



Land and water, 1. 



Legend of the first mussel-fisher, 347. 



Sea-urchin, 282. 



Life in the ocean, 60. 



Limax rufus, 400. 



Limpets, 410. 



Lobsters, 496. 



Loligo vulgaris, and L. Gahi, 459. 



Lophius piscatorius, 605. 



Lophobranchii, 534. 



Luidia fragillissima, 269. 



Lumbricus terrestris, 114. 



Lump-fish (Cyclopteris), 537. 



(Raia clavata), 503. 



Lunar tides, 35. 

 Lymnea stagnalis, 397. 

 Lymaeans, 397. Their habits, ib. Or- 

 ganization, 398. 



Mackerel, 599. Do they migrate ? 600. 

 M'Clintock's discoveries, 48. 

 M'Clure's discoveries, ib. 

 Madrepoildse, 159. 

 Madrepore plantaginea, 162. 

 Madrague, a combination of nets, 597. 

 Maelstrom whirlpool, 42. 

 Malacopterygii, 536. 

 Malleus alba, 352. 



vulgaris, ib. 



Mantle in Molluscs, its uses, 319. 

 Marenna Oysters, 368. 

 Masticating apparatus, 288. 

 Mean depth of the sea, 1-3. 

 Meandrina cerebriformis, 156. 

 Mediterranean Sea. 6. 

 Medusadse, 195, 213. 

 Medway Oyster-beds, 368. 

 Meleagrina margaritifera, 353. 

 Metamorphoses in Infusoria, 106. 

 Microscopic forms of life, 62. 

 Millepora alcicornis, 164. 



Milne Edwards's study, 65. 

 Minyadinians, 193. 



Mitra episcopalis and M. papalis, 425. 

 Molluscoi.la, 303. Organization, 304. 



Generation, 305. 



Mollusca, 301. Their characteristics, 315, 

 Monade Lentille, 109. 

 Monodonta Australis, and M. labia, 416. 

 Monsoons, 33. 



Montfort, Denis de, on the Kraken, 460. 

 Moon-fish (Orthogoriscus mola), 530. 

 Mounts Erebus and Terror, 55. 

 Mullet (Mullus), 591. A Roman luxury, 



592. 



Muraena, 541. 

 ponds, a passion with Roman 



patricians, 512. 

 Murex scorpio, and M. erinaceus, 435. 



tenuispina, and M. haustellum, 434. 



Muschelkalk rocks, 272. 



Mussels, 344. Organization of, 345. Habits, 



ib. Localities, 346. 

 Mussels of Aiguillon Bay, 347. 

 Mussel-pile^ in Aiguillon Bay, 349. 



with basket-work, ib. 



punt of Aiguillon, 348. 



Mutilation of Infusoria, 107. 

 Mytylus edulus, 344. 



Nacre, its composition, 353. 



Nadir points, 36. 



Nautilus pompilius, section with animal 



and without, 446. 

 Nephtys, 145. 

 New Caledonia, 174. 

 Noctiluca railiaris, 96. 

 Nummulites, 93. 

 Nurnmulitis lenticularis, 92. 

 Rouaulti, 94. 



Occulifla flabelliformis, 153. 

 Octopus brevisses, and O. horridus, 464. 

 macropus, 



vulgaris, 463. 



Olaiis Magnus on the Kraken, 460. 



Oldhamia, 61. 



Oliva ery throstoma, O. porphyria, 0. irisans, 



and O. Peruviana, 428. 

 Operculina, 92. 

 Ophiocoma Russei, 278. 

 Opliiuradse, 277. 



Organization of Foraminiferse, 96. 

 Infusoria, 100. 



81. 



Star-fishes, 260. 

 Ossei, or Bony fishes, 529. 

 Ostend Oysters, 368. 

 Ostreadse (the Oyster), 362. 

 Oyster (Ostrea), 362. Its organization, 



ib. Reproduction, 365. Incubation, 



ib. 



