20 Catalogue of Museums. 



96 — Basalt. Tertiary Period. 



Giant's Causeway, Ireland. 



97 — Coralline Crag. Pliocene. Tertiary Period. 



Orford, England. 



98 — Pnddingstone (Diluvium). Quaternary Period. 



Poughkeepsie, N. Y. 



99 — Champlain Clay. Quaternary Period. 



Albany, N. Y. 



100 — Shell Marl, containing fresh-water shells. Quater- 

 nary Period. 



Monroe Co., N. Y. 



101 — Calc Tufa. Quaternary Period. 



Delphi, N. Y. 



102 — Striated Limestone. Large slab showing ancient gla- 

 cial stride. 



Rochester, N. Y. 



108— Glaciated Boulder. 



Rochester, N. Y. 



104 — Sun Cracks and Mud Veins. 



Missouri. 



105 — Septarium. 



Kansas. 



106 — Rock triturated by glaciers. 



Mer de Glace, Switzerland. 



107 — Sigillaria. Fossil plant, extinct, Portion of a large 

 tree trunk. 



Carboniferous Rocks, Penn. 



108 — Lepidodendron. Fossil and extinct plant. Portion 

 of a tree trunk. 



Carboniferous Rocks, Indiana. 



109-113 — Specimens of Gold and Silver Ore. From near Juneau, 

 Alaska. 



Presented by the Hon. M. L. McCormack, Grand 



Forks, Dakota, 1888. 



