258 



NEW YOKK STATE MUSEUM 



PLATE FACING l'AGE 



XL. Hudson River Shale, Oneida Conglomerate Resting on; 

 eastern face of Shawangunk Mountain, two miles south 



of Lake Mohonk, Ulster county . 152 



I. Hudson River Schist, Granite Dyke in ; south side of 192d 



street, New York city 124 



II. Lower Silurian Limestone, 192d street, New York city. 



Igneous Granite on 124 



XII. Lower Silurian, Precainbrian and, Fishkill Mountain. Seen 



from Cornwall, Orange county 140 



XXVIII. Hudson River Schist, Hills of; View of Inwood, Manhattan 



Island 146 



XXXIV. Utica Shale, Trenton Limestone and Calciferous Sandrock, 



Cana joharie, Montgomery county 148 



Upper Silurian. 



XL. Oneida Conglomerate Resting on Hudson River Shale; 

 Eastern Face of Shawangunk Mountain, two miles south 



of Lake Mohonk, Ulster county 152 



XLI. Shawangunk Grit, Cliffs of; on the West Shore of Lake 



Mohonk, Ulster county 152 



XLII. Shawangunk Grit, Awosting Falls over; Peterkill, near Lake 



Minnewaska, Ulster county, Oneida Conglomerate 152 



XLIII. Niagara Gorge near Lewiston, Medina group 152 



XLIV. Niagara River Gorge, south of Lewiston, Niagara county 152 



XLV. Medina Sandstone; Beach Markings and Seaweed (Arthro- 



phycus harlani) on 152 



XLVL Medina Sandstone ; Beach Markings on ; Lockport, Niagara 



county 152 



XLVII. Medina Grey Sandstone, Falls over ; near Lockport, Niagara 



county , 152 



XL VIII. Medina Grey Sandstone, near Lockport, Niagara county 152 



XLIX. Medina and Clinton Groups ; Lower Falls of the Genesee 



River, Monroe county, over the Grey Medina Sandstone.. 152 

 L. Medina, Clinton and Niagara Groups; Gorge of the Genesee 



River, Monroe county, below the Lower Falls 152 



LI. Medina and Clinton Groups ; Gorge of the Genesee River, 



Monroe county, below the Lower Falls 152 



LII. Niagara River Gorge, below Devil's Hole, Niagara county. 



New York Central R. R. cut 154 



LIII. Niagara River Gorge, south of Lewiston, Niagara county. 



New York Central R. R cut 154 



LIV. Niagara River Gorge, Wall of the ; American side. View 

 from Foster's Flats, one and one-half miles north of Sus- 

 pension Bridge 154 



