INDEX. 
(iOl 
Indian Ocean, 4. 
Industrial occupation on the sea-shore, 67. 
Inequalities of the sea basin, 11. 
Infusoria, 89. Their numbers, 89. In 
the Ganges, 89. Species, 89. In blocks 
of ice, 90. Reproduction, 93. 
Infusorial parasites, 97. 
Isis corolloidis, 126. 
Isis hippuris, 127. 
Jan Mayen’s Island, 48. 
Kane’s, Dr., discoveries, 29, 53. 
Kerguelen Island, 48. 
Kraken, marvellous stories concerning, 
457. 
Labrkte, 594. 
Labrus communis, 594. 
Labyrinthiform Pharyngeans, 584. 
Land and water, 3. 
Legend of the first Mussel-fisher, 364. 
Sea-urchin, 282, 
Life in the ocean, 63. 
Limax rufus, 403. 
Limpets, 438. 
Lobsters, 490. 
Loligo vulgaris, and L. Gahi, 469. 
Lophias piscatorius, 593. 
Lophobrancbii, 526. 
Luidia fragillissima, 271. 
Lump-fish (Cyclopteris), 537. 
(Raia clavata), 503. 
Lunar tides, 39. 
Lymnea stagnalis, 405. 
Lymneans, 404. Their habits, 404. Or- 
ganization, 404. 
Mackerel, 587. Do they migrate, 588. 
M'Clintock’s discoveries, 52. 
M'Clure’a discoveries, 52. 
Madrcporida?, 161. 
Madrepora plantaginca, 164. 
Madrique, a combination of nets, 586. 
Maelstrom whirlpool, 46. 
Malacopterygii, 528. 
Malleus alba, 352. 
vulgaris, 352. 
Mantle in Molluscs, its uses, 321. 
Marcnnes Oysters, 342. 
Masticating apparatus, 290. 
Mean depth of the sea, 3, 5. 
Meandrina cerebriformis, 158. 
Mediterranean Sea, 8. 
Medusada:, 197, 215. 
Medway Oyster-beds, 330. 
Meleagrina margaritifera, 353. 
Metamorphoses in Infusoria, 98. 
Microscopic forms of life, 65. 
Millepora alcicornis, 166. 
Milne Edwards’ study, 68. 
Minyadiniaus, 195. 
Mitra episcopalis and M. papalis, 424. 
Mollusco'ida, 305. Organization, 306. 
Generation, 307. 
Molluscs, 301. Their characteristics, 
317. 
Monade Lentille, 101. 
Monodonta Australis, and M. lahio, 415. 
Monsoons, 37. 
Montfort, Denis de, on the Kraken, 457. 
Mounts Erebus and Terror, 59. 
Mullet (Mullus), 580. A Roman luxury, 
581. 
Murama, 533. 
ponds, a passion with Roman 
patricians, 534. 
Murex scorpio, and M. erinaceus, 431. 
tenuispina, and M. haustellum, 
430. 
Musehelkalk rocks, 274. 
Mussels, 361. Organization of, 362. 
Habits, 362. Localities, 363. 
Mussels of Aiguillon Bay, 364 
Mussel-piles in Aiguillon Bay, 366. 
, with basket work, 367. 
punt of Aiguillon, 365. 
Mutilation of Infusoria, 99. 
Mytilus edulus, 361. 
Nacre, its composition, 353. 
Nadir points, 40. 
Nautilus pompilius, section with animal 
and without, 471. 
Nephtys, 147. 
