742 NEW YORK STATE MUSEUM 



289 Helderbergian. Shaly limestone. Herkimer co. 



290 Chazv limestone. Chazv. 



291 Trenton limestone. Middleville. 



292 Trenton limestone. Tribeshill. 



293 Trenton limestone. Watertown. 



294 Niagara beds. Loekport. 



295 Black river limestone. Chazv. 



296 Hudson river beds. Ballston. 



297 Black river limestone. Watertown. 



298 Clinton beds. New Hartford. 



299 Niagara beds. Coralline limestone. Schoharie. Speci- 



mens numbered 283 to 299 collected by James Hall 

 previous to 1855. 



300 Hamilton beds. From Hamilton and vicinity. Madison 



co. James Hall, collector. 1844. 



301 Hamilton beds. Fultonham and vicinity. James Hall, 



collector. 1844. 



302 Hamilton beds. Summit, Schoharie co. James Hall, col- 



lector. 1844. 



303 Hamilton beds. Schoharie. James Hall, collector. 1844. 



304 Ithaca beds (Hamilton group, old record). Oneonta 



(loose). J. W. Hall, collector. 1869. 



305 Ithaca beds (Hamilton group, old record). Bed of rock 



at Emmons, Otsego co. J. W. Hall, collector. 1869. 



306 Ithaca beds (Hamilton group, old record). From cliff on 



Westkill, two and a half miles northeast of Jefferson, 

 Schoharie co. J. W. Hall and George B. Simpson, col- 

 lectors. 1869. 



307 Ithaca beds (Hamilton group, old record). One quarter 



of a mile west of Jefferson, Schoharie co. J. W. Hall 

 and George B. Simpson, collectors. 1869. 



308 Ithaca beds (Hamilton group, old record). One mile 



north of Jefferson, on the road to Summit. J. W. Hall 

 and George B. Simpson, collectors. 1869. 



309 Ithaca beds (Hamilton group, old record). Collected 



from a layer of rock about three or four feet above num- 



