592 



INDEX. 



Pisces, remarks on the distribution of, in Palaeozoic 



rocks, 332. 



list of, from the Devonian system, 380. 



Plants, fossil, list of, found in the upper sandstone of 



the Yorkshire coast, 14-4, 150. 

 notices of, in the culm series of the S.E. 



of Devonshire, 458, 461. 



of North 



Devon, 461. 

 Plastic clay, Mr. Bowerbank on the London clay 



of the Isle of Wight, 169. 

 Pleurotomaria, distribution of, in Palseozoic rocks' 



323. 

 description of new species from the 



Rhenish provinces, and remarks on previously 



known species, 359. 

 Polyparia, observations on the, of the Rhenish pro- 

 vinces, 310. 

 Porphyries, description of, in Eastern Westphalia, 



240. 

 Portland Island, observations on the flints contained 



in the limestone of, 191 note. 

 Post-tertiary and tertiary deposits, on the relative 



ages of, in the basin of the Clyde, 153. 

 Proconnesus, notice of the marble quarries of, 6. 

 Producti, notice on the absence of, in Silurian strata, 



317. 

 of the distribution of, in the Devo- 

 nian and carboniferous systems, 317. 

 Prusseck, observations on the strata between, and 



Gerolsgriin, 299. 

 Pteropoda, Conularia placed in the class, 325. 

 Pulser, account of a mass of intrusive trap near, 473. 

 Pyritical organic remains, remarks respecting the 



ouigin of, 193. 



Q. 



Quartz-rock, notice of, associated with micaceous 



schist in Western Asia Minor, 6. 

 observations on the connexion of, 



with granite and schists in France, &c., 563. 

 description of the, composing the hill 



Quartzfreier porphyr, account of, in the Hartz, 286. 

 Quartzfiihrender porphyr, account of, in the Hartz, 



286. 

 Quartziferous porphyry, account of, in the Hartz, 



286. 

 Quebec, remarks on the boulders interspersed among 



the shelly strata near, 140. 

 — transported past, by 



the ice of the St. Lawrence, 140. 



R. 



Radiata, remarks on the distribution of, in Palseo- 



zoic rocks, 312. 

 Raised beaches, account of, in Bornholm, 159. 

 Raised marine beds, account of, in the south-east of 



Devonshire, 441. 

 Raised estuaries, account of, in the south-east of 



Devonshire, 440. 

 Rammelsberg, list of strata near the, 290. 

 Raphiosaurus, description of remains of, from the 



chalk, 412. 

 Ratingen, notices of the carboniferous rocks near, 



229 et seq. 

 Ravines, transverse, stated by the Rev. W. B. Clarke 



to be the mechanical effects of elevation, 566. 

 Recht, account of the slates of, 275. 

 Reculver Towers, section of the strata in the cliffs 



near the, 214. 

 Red arenaceous slates of South Devon, description 



of, 468. 

 remarks 



on the fossils of, 468. 



list of fos- 



of Le Roule, near Cherbourg, 565. 



notice of the form assumed by frag- 

 ments of, 5Q5. 



similar form presented 



by associated schist, 565. 



sils found in, 469. 



Red marl, description of, along the line of the Bir- 

 mingham and Gloucester railway, 550. 



section of the junction beds of the, and 



lias at Dunhamstead, 550. 



Red psammites, account of, under the Eifel lime- 

 stone, 279. 



Red sandstone formation, description of, near Lis- 

 bon, 117. 



subdivisions of, 117. 



country occupied by 



north of the Tagus, 117. 



