752 NEW YORK STATE MUSEUM 



430 Hamilton shales. Specimens collected at Shurger's glen, 



near Norton's landing, Cayuga lake, from loose frag- 

 ments fallen from about 15 feet below the Tully lime- 

 stone (division 3 of section). Herbert H. Smith, col- 

 lector. 1871. 



431 Hamilton shales. Specimens collected at Shurger's glen, 



near Norton's landing. Cayuga lake, from loose frag- 

 ments fallen from about 15 feet below the Tully lime- 

 stone (division 3 of section). Herbert H. Smith, collector. 

 1871. 



432 Hamilton shales. Specimens collected at Vinegar brook 



glen, Norton's landing, Cayuga lake, from hard shales, 

 half way up the lower fall. Herbert H. Smith, collector. 

 1871. 



433 Hamilton shales. Specimens collected at Shurger's glen, 



Norton's landing, Cayuga lake, in a layer of hard cal- 

 careous rock (about eight inches) and in the fine shale 

 immediately above and below this layer, about 25 feet 

 below the Tully limestone and 20 rods below where the 

 stream falls over it. Herbert H. Smith, collector. 1871. 



434 Hamilton shales. Specimens collected at Shurger's glen, 



Norton's landing, Cayuga lake, in the shale about 18 

 feet below the Tully limestone, and immediately below 

 the fall formed by that rock (12th layer, 3d division, be- 

 low Tully limestone). Herbert H. Smith, collector. 

 1871. 



435 Hamilton shales. Specimens collected at Ludlowville, 



Tompkins co., in the shale, about 20 feet below the Tully 

 limestone. In a glen formed by a small brook which 

 flows into Ludlowville creek on the south side, nearly 

 opposite the village, about half way up the glen. Her- 

 bert H. Smith, collector. 1871. 



436 Hamilton shales. Specimens collected in the fine trilobite 



shales about 25 feet above the Encrinal limestone. Shur- 

 ger's glen, Norton's landing, Cayuga lake. Herbert H. 

 Smith, collector. 1871. 



