PLATE XXXV—Continued. 
Modiomorpha regularis. 
Page '270. 
Fig. 12. A partial cast of a right valve preserving the surface markings. 
Schoharie grit. Schoharie, IV. Y. 
Modiomorpha affinis. 
Page 281. 
See Plate 37. 
Fig. 13. The right side of the specimen described. 
Hamilton group. Onondaga Co., IV. Y. 
Modiomorpha Schoharie. 
Page 209. 
See Plate 34. 
Fig. 14. The right side of a specimen imperfectly preserving the surface markings. 
Schoharie grit. Schoharie, N . Y. 
