756 APPENDIX. 



Clinton group. — Lewiston, Lockport, Reynolds' Basin, Brockport, Rochester, 

 Wolcott, New Hartford, N.Y. : Thorold on Welland Canal, Hamilton, Ancaster, 

 C.W. 



Niagara. — Lewiston, Lockport, Rochester, "Wolcott, N.Y. ; Thorold, Hamilton, 

 Ancaster, C.W. ; Anticosti, C.E. ; Arisaig, Nova Scotia; Racine, Waukesha, Wis.; 

 Marblehead on Drumniond's Island, Michigan. (Coralline limestone. — Scho- 

 harie, N.Y.) 



Onondaga Salt Group. — Buffalo, Williamsville, Waterville, Jerusalem Hill 

 (Herkimer co.), N.Y. 



Leclaire limestone. — Leclaire, 111. 



"Gait" or "Guelph" formation.— Gait, Guelph (G. T. R. R.), C.W. 



Lower Helderberg limestones. — Dry Hill, Jerusalem Hill (Herkimer co.), 

 Sharon, East Cohleskill, Judd's Falls, Cherry Valley, Carlisle, Schoharie, Clarks- 

 ville, Athens, N.Y. ; Gaspe, C.E. 



Oriskany sandstone. — Oriskany, Vienna, Carlisle, Schoharie, Catskill Moun- 

 tains, N.Y. ; Cumberland, Md. ; Moorestown and Frankstown, Pa. 



Cauda-Galli Grit. — Schoharie (Fucoides Cauda-Galli), N.Y. 



Schoharie Grit. — Schoharie, Cherry Valley, N.Y. 



Upper Helderberg limestones. — Black Rock, Buffalo, Williamsville, Lancaster, 

 Clarence Hollow, Stafford, Le Roy, Caledonia, Mendon, Auburn, Onondaga, 

 Cassville, Babcock's Hill, Schoharie, Cherry Valley, Clarksville, N.Y. ; Port 

 Colborne, and near Cayuga, C.W. ; Columbus, Delaware, Sandusky, 0. ; Macki- 

 nac, Little Traverse Bay, Dundee, Monguagon, Mich. 



Marcellus shales. — Lake Erie shore, ten miles S. of Buffalo, Lancaster, Alden, 

 Avon, Leroy, Marcellus, Manlius, Cherry Valley, N.Y. 



Hamilton group. — Lake Erie shore, Eighteen Mile Creek, Hamburgh, Alden, 

 Darien, York, Moscow, Bloomfield, Bristol, Seneca Lake, Cayuga Lake, and 

 Skaneateles Lake, Pompey, Cazenovia, Delphi, Bridgewater, Richland, Cherry 

 Valley, Seward, Westford, Milford, Portlandville, N.Y. ; Widden Station (G. T. 

 R. R.), near Port Sarnia, C.W. ; New Buffalo, Independence, Iowa; Rock Island, 

 111. ; Thunder Bay, Little Traverse Bay, Mich. ; Nictaux, Bear River, Moose 

 River, Nova Scotia. 



Genesee slate. — Banks of Seneca and Cayuga Lakes, Lodi Falls, Mount 

 Morris, two miles S. of Big Stream Point, Yates co., N.Y. 



Portage group>. — Eighteen Mile Creek, Lake Erie shore, Chautauqua Lake, 

 Genesee River at Portage, Flint Creek, Cashaqua Creek, Nunda, Seneca and 

 Cayuga Lakes, N.Y. 



Chemung group. — Rockville, Philipsburgh, Jasper, Greene, Chemung Nar- 

 rows, Troopsville, Elmira, Ithaca, Waverly, Hector, Enfield, N.Y. ; Gaspe, C.E. 



Catskill group. — Fossils rare. — Richmond's quarry above Mt. Upton en the 

 Unadilla, Oneonta, Oxford, Steuben co. south of the Canisteo, N.Y. ; Bloss- 

 burg, Pa. ; Pompton, Old Boonton, Pluckamin, N.J. 



Subcarboniferous. — Burlington, Keokuk, Iowa; Quincy, Warsaw, Alton, Kas- 

 kaskia, Chester, 111. ; Bloomington, Spergen Hill, Ind. ; Hannibal, St. Genevieve, 

 St. Louis, Mo. ; Willow Creek, Battle Creek, Holland, Grand Rapids, Mich. ; 

 Mauch Chunk, Pa. ; Red Sulphur Springs, Pittsburg Landing, Tenn. ; Big Bear 

 and Little Bear Creeks, Big Crippled Deer Creek, Miss.; Clarksville, Huntsville, 

 Ala. ; Windsor, Horton, Nova Scotia. 



