654 



THE OCEAN WORLD. 



Point duRaz, coast of Brittany, 37. 

 Polar seas, 40. Expeditions to. ib. 

 Polypidom and Polypi defined, 107. 

 Polypiferous crust in Gorgons, 220. 

 Polyzoa, 302. Structure, 303. 

 Forttcs furcata, 188. 

 Po rites furcata, 189. 

 Porpita pacifica, 155. 

 Porpitapacijica, 155. 

 Portunus variegatus, 413. 

 Po7-tu)itis variegatus, 513. 

 Poulpe : Marvellous stories of the 

 ancients concerning, 486. Mandi- 

 bles preserved in the College of 

 Surgeons, 485. 

 Praya diphys, 126. 

 Praya diphys, 127. 

 Pristis, 551. 

 Propagation of Infusoria, 94. 



,, of Sea-urchins, 275. 



Protozoa, 62. 



Pteroceras scorpio, P. millipeda, 465. 

 Pteroca-as chiragra, 465. 



,, lam bis, 465. 



,, millipeda, 464. 



,, Scorpio, 464. 

 Pteropoda, 466. Organisation, ib. 

 Pulmonary Gasteropods, 414. 

 Punt, or firogue 0/ the Marsh, 359. 

 Pupa uva, 426. 

 Pupa uva, 427. 



Purpura, its reputation with the ancients, 

 456. 



,, consul, P. lapillus, 455. 

 Purpw-a consul 457. 



,, lapillus, 456. 



,, patida, 456. 

 Pyrosoma, 311. 



Radiolaria, 76, 87. 



Raiadae, 536. 



Rataria, 154. 



Ravages of the Teredo, 322. 



Ray-fish, 537. 



Recuperative powers of Holothuria, 



288. 

 Red Coral Polyps, 228. 

 Red Sea Corals, 236. 

 Reticulosa, 79. Classification of, 



p'Orbigny's, 83. Carpenters, 85. 

 Rhizopods, 76. 

 Rhizostoma Aldrovandi, 164. 



Phizostoma Cuvierii, 165- 

 Rhizostoma Aldrovandi, 165. 



,, Cuvierii, 164. 



Ross's (Sir James) discoveries, 47, 50. 

 Rotalia, 86. 



Rotella zealandica, 435. 

 Rotella zealandica, 435- 

 Rugous madrepores, 190. 



.Sagartia bellis, 204. 

 Salmonidse, 579- 



-Salmon leaps, 583. Falls of Kilmo- 

 rack, 584. Anecdote of Lord Lovat, 

 ib. 

 Salmon or Parr, a year old, 580. 

 ,, adult, 579. 

 ,, young, 580. 

 ,, leap at Kil7norcu:k, 583. 

 Salpa maxima, 313. 

 Salpa maxima, 313. 

 Salpas on the surface of the sea, 314. 

 Saltness of the sea, 15. Its source, 19. 

 Salt water at the Poles, 17. At the 



Equatoi", ib. 

 Salt-water lakes, 18. 

 Sand-eel, the, 605. 

 Sargasso Sea, 29. 

 Saw-fish, 551. 

 Scallop-shell, 308. 

 .Scomberesocida;, 565. 

 .Scoresby's account of the Polar seas, 51. 

 Scottish pearls, 351. 

 Scylla and Charybdis, 39. 

 Sea Anemone, 203. Organisation, ib. 



,, Cucumber, 288. 



M Eggs, 483. 



,, Hare, 411. 



,, Horse (Hippocampus), 564. 



,, Lampreys, 534. 



,, Mussels, 354. 



,, Pen, 240. 



,, Slug, 410. 



,, Snail (Liparis), 641. 



,, Urchins, 273. 



,, Water, its components, 16. 

 Sea-eel, the, 577. 

 Sea-horse, the, 564, 

 Sea-snail, the, 641. 

 Seine Net, 601. 

 Selachians, 535. 

 Sepia (Cuttle-fish), 470. 

 ,, officinalis, 482. _ 



