PLATE XCV. 

 Edmondia Philipi. 



Pago 387. 

 See Plate G4. 

 Figs. 1-4. A series of valves showing the prevailing characters of this species. 

 Chemung group. AUegliany Co., N. Y. 



P^DMONDIA OBLIQUA. 



Page 388. 

 See Plate 64. 

 Fig. 5. A left valve. 



Chemung group. Man.ifield, Pa. 

 Fig. 6. A larger left valve showing obscure radiating lines. 



Chemung group. Hobl>ieville, N. Y. 

 Fig. 7. A right valve of this species. 



Chemung group. Jiockville, N. T. 

 Fig. 8. A specimen preserving both valves in conjunction. 



Chemung group. Mansfield, Pa. 



Edmondia scbovata. 



Page .S89. 

 See Plate 64. 

 Fig. S». A well-preserved ajiecimen showing both valves in conjunction. 



Chemung gi'oup. Mansfield, Pa. 

 Fig. 10. A small right valve. 



Chemung group. PhiUpulmrgli, Alleghany Co., N. Y. 



Fig. 11. A left valve. 



Chemung group. Ilobbieville, Alleghany Co., N. Y. 

 Fig. 12. A large right valve. 



Chemung group. ManxJUld, Pa. 



Edmondia Buulingtonensis. 



Page 390. 

 See Plate 64. 

 FigB. 13, 14. Two valves showing the usual characters of this species. 

 Yellow sandstone. Burlington, Iowa. 



