LIST OF MINERALS. 351 



veins, whicli contain small drusy cavities of Me- 

 sotype. — Layers from liluluk. 



33. Brick-coloured common Jasper, allied to 

 eisenkiesel. — As No. 32. 



34. Small Rock Crystals. — From cavities of the 

 almond-stone, which lies east of Ilkduk. 



35. Blueish-white almost compact quartzy Fel- 

 spar Rocky with nests of reddish-white porcelain 

 earth, and much, finely-sprinkled iron pyrites. — 

 Lies in beds at lUuluk. 



3(^. Gneiss Syenite. — Layers from the northern 

 sea coast, near Captain's Harbour. 



FROM ST. LAWRENCE BAY. 



37. White small-grained Calcareous Spar^ witli 

 silver- white scaly mica. — Forms rocks on the south 

 end of the bay. 



38. Calcareous Spar, sprinkled with plumbago. 

 A flat mass, which appears to have filled up » 

 cleft. 



40. and 41. Foliated Plumbago. 



FROM KOTZEBUE*S SOUND. 



42. Silvery-white Mica-slate, with noble garnet 

 in small crystals. 



43. Porphyi^itic Syenite, red mass of felspar, 

 with tolerably large crystals of hornblende and 

 felspar. — Both are from the beds of the Rocky 

 Island in the Sound. 



