INDEX. 



125 



Peron, animal of spirula found by, i. 

 362. 



Petavius, his interpretation of Genesis, 

 i. l,i. 24. 



Pines, fossil in coal formation and lias, 

 i. 487 : peculiarity in structure of, i. 

 486. ' ^ ^ 



Placoidean, order of fishes, i. 269. 



Plesiosaurus, heteroclite character of, i. 

 202 ; number and geological extent 

 of species, i. 203 ; head, compound 

 character of, i. 204 ; neck, great 

 length of, i. 205 ; back and tail, i. 

 207 ; ribs, peculiar character of, i. 

 208 ; skin, Cuvier's conjecture as 

 to, i. 208; lungs, probable condi- 

 tion of, i. 209 ; extremities acted as 

 paddles, i. 210; probable habits of 

 animal, i. 211 ; concluding observa- 

 tions upon, i. 214. 



Pliocene, division of tertiary strata, i. 

 78 ; animal remains of, i. 92 ; evi- 

 dences of history of, i. 93. 



Podocarya, fruit of, in inferior oolite, i. 

 504. 



Poikilitic, term proposed for forma- 

 tions connected with the new red 

 sandstone, ii. 38. 



Police of nature, i. 300 ; excessive in- 

 crease of animals restrained by, i.l33. 



Polypes, fossil remains of, i. 442 ; 

 abundance of in warm climates, i. 

 443 ; functions of in submarine eco- 

 nomy,!. 444; effects in the produc- 

 tion of strata, i. 445 ; concluding 

 observations on, i. 447. 



Polypterus, i. 274. 



Population, how affected by geological 

 causes, i. 4. 



Porphyry, veins and overlying masses 

 of, ii. 5. 



Portland, petrified cycadeae found at, i. 

 494 ; subterranean forest in, i. 494. 



Portsmouth, Artesian well at, 563. 



Prestwich, Mr., on insects from coal 

 formation, i. 405. 



Prevost, M. Constant, on erect position 

 of fossil trees at St. Etienne, i. 471. 



Primary stratified rocks, history of, i. 

 50, 51. 



Productions, natural, vary with the sub- 

 strata, i. 5. 



Prout, Dr., his analysis of syphon of 

 an ammonite, i. 352 ; on the non- 

 eternity of molecular constitution 

 of matter, i. 579 ; on adaptation of 

 elements to the use of animal and 

 vegetable bodies, i. 579. 



Province of geology, i. 1. 



Psammodus, i,288. 



Pterodactyle, anomalous character of, i. 

 221 ; where found, i. 221 ; Cuvier's 

 description of, i. 223 ; eight species 

 of, i. 223 ; organs of flight, i. 225 ; 

 vertebrae, character of, i.226; pecu- 

 liar mechanism in neck, i. 226 • 

 foot as in lizards, i. 227 ; toes, 

 number and proportions of bones in, i\ 

 227—231 ; probable food of, i. 232. 



Ptychodus, i. 288. 



Purbeck, estuary formations in isle 

 of, i. 120 ; iguanodon found in isle 

 of, i. 242. 



Piitzberg, near Bonn, brown coal of 

 i.509. 



Pusey, Professor, his interpretation of 

 Genesis, i. 1 , &c. i. 22 — 26. 



Philpotts, Miss, belemnites with ink 

 bags in collection of, i. 374. 



Phillips, Professor, his views of fossil 

 organic remains, i. 61 ; his illustra- 

 tion of fossil astacids, i. 388 ; his 

 tabular arrangement of ammonites, 

 i. 334. 



Pholidophorus, i. 283. 



Physical geography, origin of, in geo- 

 logical causes, i. 5. 



Pycnodonts, i. 281, 282. 



Pycnodus, i. 283. 



Pyrenees, granite in chalk formation 

 of, ii. 5. 



Radiata, abound in transition strata, i. 



62. 

 Radiated animals, character of fossil 



species, i, 414. 

 Ray, Mr., on usefulness of metals, i. 



555. 

 Rays, fossil, i. 291. 

 Reason, province of, distinct from that 



of Revelation, i. 588. 

 Refrigeration, gradual, of matter of the 



globe, i. 53. 

 Reptiles, ages of, i. 166. 

 Revelation, its object not physical 



science, i. 15; province of, distinct 



from that of natural religion, i. 588. 

 Rhizopodes, new class of animals dis- 

 covered by M. Dujardin, ii. 64. 

 Rhyncholites, fossil beaks, i. 319, 320. 

 Ripple markings, fossil, i. 260. 

 Rivers, apparatus for supply of, i. 570 ; 



supply and functions of, i. 557, 558. 

 Robert, M., spirula found by, ii. 63. 

 Rodentia, in pliocene strata, i. 92. 

 Roussillon, Artesian well in, i. 566. 

 Rumphius, his figure, and observations 



on living nautilus, i. 314, 331. 



