885 



Rhyn. 



Bihynchonella. osipax ( Atrypa capax ; Conrad. Jour. Ac. 



If. 



,J3 N.S.Phil. Vol. 8, 

 1842.) Hudson 

 river group, Geol. 

 Canada, 1863, page 

 211, fig. 213 a, dor- 

 sal valve ; 5, side ; 

 (?, ventral valve. Pal. Ohio, Yol. 1, 1873, page 123, plate XI, 

 figs. 2 6» to f, — In Pennsylvania, Huntingdon Co. Tyrone forge 

 (000, p. 189) Spec. 211-1 l,-Za, -4a, -5, -7, -8, -9, from Tren- 

 ton limestone. Also, in Bedford Co., on Charabersburg turn- 

 pike, Evitt's gap, in a shale parting in the Medina red forma- 

 tion (T2, 92, 166), proving conclusively the absence of the 

 Oneida from that region. (J. J. Stevenson.) lie; IIIl^ 

 up into IVb. — {A. increiescens.) 

 Rhynchonella Carolina, Hall. {Stenoschisma Carolina, 



Vitfa. 



8a 



MecKin 

 P«LOhio.l 



Pal. N. Y. Vol. 4, 1867, p. 337, plate 34, f. 14 to 19.) Pal. Ohio. 

 Vol. 1, 1873, p. 196, pi. 18, f. 8 a^ J, dorsal and ventral valves; 

 8 c, ^, 6, dorsal ventral and profile views of a larger individual, 

 but the mesial fold in d should be more defined; from Colum- 

 bus, Ohio ; some one-third larger than those from New York ; 

 resembles B. ? laura^ Billings {Leiorhynchus multicostata. 

 Hall), or rather some of its figured varieties. Corniferous 

 limestone, VIII. a, 



Ehynchonella congregata. See Stenoschisma congrega- 

 tum. VIII G, Note.— 000, p. 147, Spec. 78 C5 (12,258), 

 from RR. cut, 1 m. S. of Selinsgrove, Snyder Co. Pa. Hamil- 



