70 TWENTY-SEVENTH EEPOET ON THE STATE MUSEUM. 



82. Bluestone. — Argillaceous Sandstone. A dressed block, 

 7x7! x8 inches. East of Maiden, N. Y. (Hamilton 

 Group.) From ? 



83. Bluestone. A cuneiform dressed block of 6|x8 inches 

 face, 1^ to 4\ inches thick. Schenectady, N. Y. (Hud- 

 son Elver Group.) From J. H. Benedict & Son. 



84. Geay Sandstone. A dressed block, Il|-x5x6 inches. 

 Near Rondout, N. Y. (Portage Group.) Of the Museum 

 Collections. 



85. Gray Sandstone. A rough-dressed block, 20x11x8 

 inches, with one face natural. Near Lockport, N. Y. 

 (Medina Sandstone.) From \ 



86. Gray Sandstone. A rough-dressed block, 17^x11x6 

 inches. Keeseville, N. Y. % (Potsdam Sandstone.) From 



\ 



87. Red Sandstone. A block, 12|xl0x7 inches, with one 

 face dressed, and the others with rock-fracture. Medina, 

 JSF. Y. (Medina Sandstone.) From J. Ryan. 



88. Brown Sandstone. A block, 9x8x2 inches, with two 

 faces sand-rubbed. Seneca Creek, Md. (New Red 

 Sandstone.) From George Wrightson. 



89. Brown Sandstone. A rough-dressed block, 12x6^x3 

 inches. Bass Island, Lake Superior. (St. Peter's Sand- 

 stone.) From Alanson Sweet. 



90. Red Sandstone. A block, 8x7x6 inches, fine-dressed, 

 with rosette. Herkimer county. (Clinton Group.) From 

 A. C. McGowan. 



91. Red Sandstone. A dressed block, 13x7x3 inches, with 

 one face rough. Herkimer county. (Clinton Group.) 

 From A. C. McGowan. 



119. Fine-grained Sandstone. A block, 20x10x5 inches, 

 with one face" sand-rubbed, and one with natural frac- 

 ture. NearMiddleburgh, N. Y. (Portage Group.) From 

 John M. Scribner. 



120. Potsdam Sandstone. A block, 16x12x12 inches, with 

 four sides dressed, and two of rock-fracture. Potsdam, 

 N. Y. From D. Parmeter. 



