U7iiversity of North Dakota. 21 



114-110 — II:ilite or Rock S.ilt, in lump. Taken 750 feet beneath 

 the surface. Piifard, Livingstone Co., N. Y. 



rreseiUed by O. M. Hopkins, Esq., Grand Forks. 



117 — Halite or Rock Salt, refined. Pitl'ar*!, LivinL!:stone 

 Co., N. Y. 



Presented by O. M. Hopkins, Esq., Grand Forks. 



1 18— Halite or Rock Salt, in lump. 



Presented by G. J). Winsliip, Esq., Grand Forks. 



I 19-1l>1— Polished Granite of different kinds. Maine, U. S. 

 Presented by C. P. Trepanier, Esq., Grand Forks. 



122 123 — Mottled Marble, polished. Swauton quarries, Vt. 



Presented by E. Ranson, Esq., Grand Forks. 



124 — Eiicrinital Marble, polished. Swanton quarries, Vt. 



Presented by E. Ranson, Esq., Grand Forks. 



125 12(3 — Catlinite or Pipestone. Pipestone City, Minn. 



Presented by Geo. Harvey, Esq., Minto, Dakota. 



127 — Group of Rock Crystals. 



Rocky Mountains, Canada. 



128 — Tin Ore. "Stream Tin." Ferrugrinous and Siliceous 

 Cassiterite. Near Helena, Montana. 



Presented by W. H. Hackney, Esq., Minneapolis. 



129 — Rock. Granitoid. From Mer de Glace, Charaonix, 

 Savoy. 



Presented by Prof. John Macnie, University of 

 North Dakota, October, 1888. 



130 — Sand of the White Sand Rock Formation. Taken, at 

 a depth of 1500 feet,' from an artesian well in Devils 

 Lake City, Ramsey Co., Dakota, Nov. 1888. 

 Presented by Mayor H. C. Hansbrough of Devils 

 Lake, Dakota. 



131 — Fluorspar. Purple crystals (cubes). 



Cumberland, England. 

 132— Steatite or Soapstone. 



Georgia. 

 133 — Obsidian. Siliceous and volcanic. 



Lipari Isles, Mediterranean. 



