PLATE LXIV—Continued. 
Edmondia SUBOVATA. 
Page 389. 
See Plate 95. 
Fig-. 10. A left valve doubtfully referred to this species. 
Chemung- group. Philipsburgh, N. Y. 
Fig. 18. A left valve preserving- the characteristic form. 
Chemung- group. Hobbieville, N. Y. 
Figs. 19, 20. Two right valves. 
Chemung group. Philipsburgh, N. Y. 
Fig. 21. A right valve of more elongate form than usual, and referred with doubt to this species. 
Lower Chemung group. Ithaca, N. Y. 
Fig. 26. A large right valve. 
Chemung group. Hobbieville, N. Y. 
Fig-. 27. A right valve of medium size. 
Chemung- group. Philipsburgh, N. Y. 
Fig. 28. A right valve of a large individual. 
Chemung group. Philipsburgh, N. Y. 
Fig. 
Fig. 
Fig. 
Edmondia obliqua. 
Page 38S. 
See Plate 95. 
15. A left valve. 
Chemung group. Hobbieville, N. Y. 
16. A right valve referred with doubt to this species. 
Chemung group. Philipsburgh, N. Y. 
23. A right valve of this species. 
Chemung group. Philipsburgh, N. Y. 
Edmondia Burlingtonensis. 
Page 390. 
See Plate 95. 
Fig. 22. A right valve. The beak and umbo are represented as too much elevated. 
Yellow sandstone. Burlington, Iowa. 
Fig. 
24. A left valve. 
Chemung group. 
Edmondia transversa. 
Page 389. 
Cattaraugus Co., N. Y. 
Edmondia ellipsis. 
Page 392. 
Fig. 25. A left valve. The beak is represented as too angular and elevated. 
Burlington sandstone. Burlington, Iowa. 
Gram m ysia un data. 
Fig. 30. A left valve. 
Chemung group. 
Page 379. 
See Plates 61, 93. 
Portville, JY. Y. 
Edmondia ? subcarinata. 
Fig. 31. The right valve of an imperfect specimen. 
Chemung group. Near Olean, N. Y. 
Edmondia depressa. 
Fig. 32. A right valve. 
Waverly sandstone. 
Page 391. 
Licking Co., Ohio. 
