690 



INDEX. 



Page 



Polar Bear, most remarkable Animal of Greenland, 

 ii. 262 — Said rarely to attack Man, 333. 



Ice, Mr Scoresby on the Greenland or - ii. 26 1 



Pole, North, on the possibility of reaching the, ii. 325. 



— Difficulties to be encountered, 328. 

 Poles, on the approximations towards - 325 



Porphyritic Slaty Felspar of Papa Stour, - i. 172 



Porphyry, Claystone, of the Ochils, - ii. 19 



Felspar, of ditto, - ib. 



of the Pentlands, - 185 



Floetz Series, - 199 



Professor Jameson on, ii. 217- — Transition 



Porphyries, 218. — Floetz Porphyries, 219. 



■ Conglomerate of the Redhead in Angusshire, S6l 



Primitive Conglomerated Rocks described, - 203 



Pudding or Conglomerated Rock of the Grampians de- 

 scribed, - - i. 453 



Q 



Queries, Mineralogical, proposed by Professor Jameson, lOT 



R 



Raia clavata, Montagu's remarks on, ii. 41 6 — R. cha- 

 grinea, 420. — R. oxyrinchus, 423. — R. maculata, 

 426 — Its varieties, 429. — R. micro-ocellata, 430. 



Ravensheugh, description of, by Dr Macknight, ii. 404, 

 — A Trap Formation, 405. 



Redhead in Angusshire, Mineralogy of, by the Reverend 



John Fleming, - ii. 339 



Rock, Pudding or Conglomerate, of the Grampians, de- 

 scribed, - i. 453 



Conglomerate, of the Pentlands, - ii. 186 



. of the Middle District of Scotland, 627 



