PLATE LXIX. 



PaNENKA VENTK1008A. 



Page 417. 

 Fig. 1. The left valve of a specimen. The beak is represented as too obtuse in the figure. 

 Fig. 2. Cai-dinal view of the preceding, showing the ti-iaiigular area under the beak. 

 Gouiatite limestone. Sc/uiJiarie, N. Y. 



Panenka Hero. 



Pugc 418. 

 Fig. 3) A left valve. The beak is not sufficiently elevated in the figure. 

 Marcellus shale. Indian resercation, Brie Co., N. Y. 



Panenka equilatera. 



I'.ige 419. 



See Plate 94. 

 Fig. 4. A right valve. 



Marcellus shale. TAWfrille, N. Y. 

 Fig. 7. Cardinal view of a left valve, doubtfully referred to this species. 



Hamilton group. Cumberland, Md. 



Panenka multiradiata. 



Page 417. 

 See Plate 94. 

 Fig. 5. The right side of the specimen described. See fig. 18, plate 94, for a correct drawing of the same. 

 Comiferous limestone. Clarence Hollow, Erie Co., N. Y. 



Panenka retusa. 



Page 421. 

 Pig. 0. Left valve. The radii are represented as too close together. 

 Hamilton group. Shore of Cayuga lake, N. Y. 



