200 NEW YORK STATE MUSEUM 



In the middle occur in great numbers, Sphaerocystites 

 multifasciatus, Spirifer modestus and R h y n - 

 chonella formosa. 



Ini the upper portion, the most abundant species are, T e n t a c - 

 ulites gyracanthus, Calymmene camerata, a 

 small form of Gypidula near G . g a 1 e a t a , Orthopora, Lioclema, 

 etc. 

 Coeymans no feet 



In the lower part fossils are rare ; Atrypa reticularis and 

 Leptaena rhomb oidalis occur. 



The middle portion specially abounds in Stromatopora and at 

 intervals Tentac ulites gyracanthus. Layers of chert 

 are more or less prominent. 



The upper part contains typical Gypidula galeata and 

 Spirifer cyclopterus. 

 New Scotland 64 feet 



The lower two thirds is a cherty limestone and is characterized by 

 Spirifer macropleura. There also occur here E d r i - 

 ocrinus pocilliformis, Eatonia medialis, E. 

 singularis, Coelospira concava, Trematospira 

 multistriata, Delthyris perlamellosa, Spirifer 

 cyclopterus, Phacops logani, etc. 



The upper one third consists of argillaceous shales with occasional 

 manganese-phosphatic nodules. Spirifer macropleura, 

 Orthothetes woolworthanus, Stropheodonta 

 b e c k i , etc. occur here. 

 Becraft 85 feet 



" The fauna is most abundant in the upper half, where R e n s - 

 seiaeria aequiradiata is the most characteristic fossil. 

 No Spirifer macropleura occurs here. Other fossils are 

 a small Leptocoelia flabellites, Spirifer cyclop- 

 terus, S. concinnus, Cyrtina, etc." 

 Port Ewen. Not recognized as such in Maryland. 

 Oriskany 348 feet 



The lower 90 feet, which are silicious shales, contain near the base 

 Leptocoelia flabellites; just below the middle, L e p - 



