280 Forty-sixth Report on the State Museum. 



Tropidoleptus carinatus, Conrad. 



JLe2ytodesma Roger si, Hall (?). 



Palceonelio constricta, Conrad. 



Prothyris lanceolata, Hall, 



Sjnrifer Tullius, Hall (?). 



Nucitla lirata, Conrad. 



Spirifer. Imperfect specimens resembling S. mucronatus, Conrad. 



Nucidites triqiiettr, Conrad. 



Goniatites. 



A specimen belonging to the Pectinidm, but in too imperfect a con- 

 dition to ^dmit of further identification. 



A.bove A* is 20' that is covered by and soil, then are ledges of shales 

 and thin sandstones or very coarse shales. The lower shales, 503 A^, 

 are the coarser, consisting of arenaceous, blocty shales some of which 

 are quite fossiliferous. The upper shales of the cliff are thin and 

 arenaceous, somewhat evenly bedded and similar to those of 503 A*. 

 Fossils are common and in places abundant in both A° and A^ 



From the lower shales and the debris at the foot of the cliff, the 

 following species Avere obtained: 



Chonetes coronata, Conrad. 

 Ambocoelid iimbonata, Conrad. 



Tropidoleptus carinatus, Conrad. 

 Nticidites ohlongatus, Conrad. 

 Segments of Crinold stems. 

 Spirifer Tkdlius, Hall. 

 Spirifer fimbriates, Conrad. 

 Plant stems. 



Spirifer granulifer. Hall (?). 

 Streptorhyjichus Chemung ensis, Conrad. 

 Nudeospira concin7ta, Hall. 

 Palceoneilo emarginata,' Conrsid. 



Grammysia. 

 Leda diversa, Hall. 

 N-twidites triqueter, Courad. 

 Schizodus. Only a portion of the specimen. 

 Chonetes mucronata. Hall. 



From 503A®, in which the fossils are more abundant than in A*, the 

 species named below have been identified: 

 Chonetes scitida, Hall. 

 Tropidoleptus carinatus, Conrad. 

 These two species are very common. 



