ROCKS. 31 



Names. Localities. 



82 Slate. Union corner, Hydepark, Dutchess. 



83 Siliceous slate (greenish). Banks of Hudson river, Dutchess. 



84 Slate with iron pyrites (thinly laminated). Hillsdale, Columbia. 



85 Black slate (thinly laminated). Hillsdale. 



86 Booiing slate. Grillet's quarry, Lebanon, Columbia. 



87 Slate (micaceous and laminated). Bedhook, Dutchess. 



88 & 89 Talcose slate (contorted). Whiting's pond, Canaan, Columbia. 



90 Green slate, siliceous. Near Albany. 



91 Red jaspeky slate. Lower Bedhook landing, Dutchess. 



92 Brown jaspery slate. Bloomingrove, Orange. 



93 Slate with cast of mud-furrows. Frankfort creek, Herkimer. 



94 Siliceous slate with irregular surface (mud markings). Oneida. 

 95, 96, 97 Black slate (with satin spar). St.Albans, Vermont. 



98 Siliceous slate (altered). Willsborough, Essex. 



99 Sandstone (gray, siliceous). Oneida creek. 



100 Bed slate. Washington? 



101 Greenish sandstone (argillaceous). Falls of Salmon river, Oswego. 



102 Greenish sandstone (with surface markings). Falls of Salmon river. 



103 Ferruginous sandstone (with quartz veins). 



104 Green slate. Ridge mill near Borne, Oneida. 



105 Shaly sandstone (with quartz crystals). 



106 & 107 Green shaly sandstone (with calcareous spar). 



108 & 109 Green shale. Barney's, north of Borne, Oneida. 



110 Compact dark slate. Summit pond, Argyle, Washington. 



111 Dark green slate. Wynn creek. 



112 Black thinly laminated slate. Vanhorn's mill near Borne. 



113 Compact siliceous slate. Near Borne, Oneida. 



114 Arenaceous limestone (with Ambonychia and Cyrtolites). Lewis. 



115 Orthoceratite. Lewis county. 



116 Shaly sandstone (with Ambonychia radiata). Loraine, Jefferson. 

 117, 118, 119 Sandy shale (with crinoidal joints, Orthis, etc.). Loraine. 

 120 Shaly limestone (with Orthis, Orlhoceras, etc.). Loraine. 



