Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
PLATE XCV—Continued. 
Edmondia RHOMBOIDEA. 
Page 386. 
See Plates 64, 75. 
15. A left valve showing the anterior muscular scar. 
16. A smaller and more convex right valve. 
Chemung group. Near Panama, N. Y. 
Edmondia ? tenuistriata. 
Page 393. 
See Plate 63. 
17. A left valve showing the form and surface characters. 
Chemung group. Elmira, N. Y. 
Paracyclas elliptica 
Page 440. 
See Plate 72. 
18. Cardinal view of a partial cast of the interior, showing- the posterior diverging furrows. 
Hamilton group. Falls of the Ohio river. 
Paracyclas lirata. 
Page 441. 
See Plate 72. 
19. Cardinal view of a specimen showing the small diverging ligamental grooves. 
Hamilton group. Charlestown, Indiana. 
Paracyclas ? pauper. 
Page 446. 
See Plate 75. 
20. The left side of a specimen retaining both valves. 
Chemung group. Portville, N. Y. 
Paracyclas rotunda. 
21. A large right valve. 
Chemung group. 
Page 444. 
See Plate 63. 
Broome Co., N. Y. 
Paracyclas erecta. 
Page 445. 
22. The right side of a specimen showing the form of the shell. 
Chemung group. Warren, Pa. 
