PLATE LXIX. 
Panenka ventkicosa. 
Page 417. 
Fig. 1. The left valve of a specimen. The beak is represented as too obtuse in the figure. 
Fig. 2. Cardinal view of the preceding, showing the triangular area under the beak. 
Goniatite limestone. /Schoharie, IV. Y. 
Panenka Hero. 
Page 418. 
Fig. 3. A left valve. The beak is not sufficiently elevated in the figure. 
Marcellus shale. Indian reservation, Erie Co., N. Y. 
Panenka equilatera. 
Page 419. 
See Plate 94. 
Fig. 4. A right valve. 
Marcellus shale. Littleville, IV. 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. 
Corniferous limestone. Clarence Hollow, Erie Co., JSf. Y. 
Panenka retusa. 
Page 421. 
Fig. 6. Left valve. The radii are represented as too close together. 
Hamilton group. Shore of Cayuga lake, N. Y. 
