I'LATK XXXV— CoiiUiiuuil. 



MODIOMORPHA REOULAUIS. 

 Pafto J70. 

 Vig. 12. A partial cast of a right valve pi*eserving the siii-face markings. 



Schoharie grit. Scholiarle, N. Y. 



.1. 



MODIOIIOKPHA AFFINIS. 



Page 281. 

 See Plate 37. 

 Fig. 13. The right kUh of the'specimen described. 



Hamilton group. Onondaga Co., N. Y. 



MoDioMOEPHA Schoharie. 



Pago 369. 

 See Plate 34. 

 Fig. 14. The right side of a specimen imperfectly preserving the surface markings. 

 Schoharie grit. Sc/wliarie, N. Y. 



