179 



Cypr. 



VIII c 



Cypricardites {Schizodus) rhombeus. {Cypricardia 

 yu^j^iik. rhomhea. Hall, Geol. Fourth dist. N. 

 Y., 1843, page 291, fig. 139, 2, 3, with 

 very prominent beak and smooth 

 shell, found (in company with Eu- 

 Z, 139 iiiiiiii«i'3 omphalus depressus and Cypricar- 

 dia Gontracta) at one single locality, about four miles north of 

 Panama, Chatauqua county, N. Y. [Of course these shells are 

 not Carboniferous nor even Subcarhoniferous^ for the Panama 

 conglomerate is the third oil sand at the top of the Chemung. 

 (Hall, Prelim. Not. Lamell. 1870 ; Oarll, Report III, p. 70 ; the 

 fossil abundant in the Panama conglomerate). Found by Hicks, 

 Spec. 886-2, on Kinzua creek, near west line of McKean Co., 

 Pa., in Upper Chemung. Found in crowds by Claypole (Re- 

 port F2 ; also Proc. A. P. S. Phil. April 6, 1883 ; also Report 

 000, three specimens, 36-7) in the King'^s Mill sandstone of 

 Perry Op., Chemung- Cat skill formation. — VIII-IX. 



Cypricardites saffordi. {Pala3arca saffordi^ Hall, Pal. 



N. Y., Vol. 3, 

 p. 271, fig. 4, 

 interior of 

 right valve , 

 showing hinge 

 teeth, etc. Fig. 

 5, left valve, 

 showing wider 

 ligamental 



Pal.f^.Y.Hf, 



area, front 



teeth less and back teeth more strongly defined than in the 

 other valve, etc., etc. Occurs like Cyp. ventricosa in the Tren- 

 ton limestone strata of Tennessee, and approaches in form the 

 New York species, of which the hinge structure was unknown 

 in 1859. (Hall.)— //<3. 



Cypricardites sinuata. Modiolopsis anodontoides.— ///{^. 



Cypricardites subtruncatus {Edmondia suhtruncata, 

 Hall, 1847, Pal. N. Y. Vol. 1. Black river and Trenton). 

 Specimens 210-58 (a fair example with margins much broken) ; 

 210-61 (doubtful, two impressions) ; in Fellows' collections of 

 1876, at Bellefonte, from Trenton limestone. — // c. 



