[29] COLLECTING AND PREPARING FOSSILS — SCHUCHERT. 



St. Croix falls, Wis. ; Eed Wiugj Winona, Fraiiconia, Marine Mills, Dres- 

 bach, Minn.; San Saba river, Texas; Eureka district, Nev. ; Deadwood^ 

 S. Dak. 



LOWER SILURIAN OR ORDOVICIAN. 



Calciferous. — Philipsburg, Point Levis, Quebec; Mingan islands j 

 Mills creek basin, Tenn.; Armstrong mines and Swan creek. Christian 

 county. Mo. 



Chazy. — Chazy, N. Y.; Fort Cassin, Vt. 



Trenton cmd subdivisions. — Trenton falls, Watertown, and Middleville,. 

 K.Y.; Ottawa and Montreal, Canada; Blue grass region of central Ken- 

 tucky; Nashville, Lebanon, and Clarksville, Tenn. ; Dixon, 111. ; Beloit,. 

 Janesville, andPlatteville, Wis.; Decorah, Iowa; Minneapolis. St. Paul^ 

 and Cannon Falls, Minn. ; Caiion City, Colo. 

 For fishes. — Canon City, Colo. 



Lorraine or Cincinnati. — Anticosti island. Gulf of St. Lawrence; 

 Salmon river, N. Y. ; Cincinnati, Oxford, Wayuesville, Ohio; Versailles, 

 Eichmond, Madison, Ind. ; Wilmington, Sterling, 111.; Spring Valley ,. 

 Minn. 



UPPER SILURIAN OR SILURIAN. 



Lower and Middle Silurian. — Anticosti island. Gulf of St. Lawrence^ 

 Lockport, Eochester, ]Sr. Y. ; Gault, Gueiph, Ontario; Dayton, Eaton, 

 Ohio; Waldron, Ind.; Louisville, Ky. ; Chicago, Joliet, 111.; Wauwa- 

 tosa, Eacine, Milwaukee, Wis.; Perry County, Tenn. 



Lower Helderberg. — Albany and Schoharie counties, Becrafts Moun- 

 tain, near Hudson, N. Y. ; Square lake. Me. ; Perry and Decatur coun- 

 ties, Tenn. 



DEVONIAN. 



Lower Devonian. — Oriskany falls, Albany and Schoharie counties, 

 Becrafts Mountain, near Hudson, Port Jervis, N. Y. ; Cumberland, Md.; 

 De Cewsville, Ontario. 



Middle Devonian. — Schoharie, Leroy, Pratts falls, Moscow, Eighteen 

 Mile creek, Canandaigua, N. Y.; De Cewsville, Ontario; Columbus, San- 

 dusky, Ohio; Louisville, Moreland, Lebanon, Ky.; Cumberland, Md.; 

 Fnlton, Mo.; Davenport, Iowa; Eock Island, 111.; Milwaukee, Wis.; 

 Thedford, Ontario ; Petoskey, Alpena, Mich.; Eureka district, Nev. 

 For fishes. — Sandusky, Delaware, Milford, north of Columbus, 

 Ohio; North Vernon, Ind. 



Upper Devonian. — Ithaca, Steubenville, N. Y. ; Warren, Pa.; Eock- 

 ford. Independence, Iowa; Eureka and White Pine districts, Nev. 



CARBONIFEROUS. 



Waverly. — Warren, Pa.; Granville, Bedford, Sciotoville, Ohio; knobs 

 south of Louisville, Ky.; Louisiana, Choteau Springs, Mo.; LeGrand^ 

 Iowa; Marshall, Mich. 



