542 INDEX. 



Page 

 Perca . • . ..... 413 



Pentacrinus . . .... . 507 



„ several species of . . . .514 



Pentacrinites briareus . . . . . . . 510 



Petrifaction, speculations concerning it ... . 468 



Phocae / . . . . • • • .139 



Plesiosaurus . ..... . 343 



„ described ....... 365 



„ dolichodeirus . . . . . .375 



„ recentior ....... 375 



„ carinatus . . . . . . 375 



„ pentagonus . ..... 376 



„ trigonus . . ... . . 376 



Pleuronectes . . ..... 422 



Planulites . . ...... 480 



Polyparia . . ...... 496 



„ definition of . ..... 496 



„ nature of . ...... 496 



„ corticiferous .... . . 498 



„ fibrous . ...... 498 



„ fleshy . ..... .498 



„ solid . . . . . . . .498 



„ flexible . . . . . . .498 



„ supposed to be a large constituent part of continents, islands, &c. 499 

 „ lamelliferous of Lamarck . . . . . 5l5 



Poecilia .... ... 401—426 



Primitive strata . . . .... 2 



Pterodactylus ...... . 326 



„ longirostris . ..... 326 



„ brevirostris ..... 330 



Paris plaster quarries . . . ... 25 



,, animals found in . . . . .12 



Quadrupeds, oviparous, strata in which they are found . . .9 



Quadrumana, no fossil remains of ... . .23 



Rabbit . . . . . . . . . 129 



Raia ......... 403 



Reptiles, fossil, in general . . . . . . 166 



Rhinoceros ..... ... 83—89 



Rodentia, fossil . . . . . . .129 



Ruminantia, fossil ...... 113 — 117 



Salmo . . . . . . . . . 426 



Sarigue, fossil . \ . . . • .128 



Saurian order . . . . . . . 281, 299 



„ fossil, in the quarries of Maestricht . . . . 303 



„ unknown, near Luneville . . • . . 224 



Scypho'ids . . . . , . . .513 



