.Al'AWiaAD 



PLATE XUV— Uonlinacd. 



GONIOPHORA ClIEMUXGENSIS. 



'■'i-'- '"■'= '■"■ Page SOS. 

 Fig. 18. A. right valve. 



Chemung group. Owego, N. T. 

 Fig. 20. A left valve of this species. 



Chemung group. Binghamlon, N. T. 

 Fig. 22. A right valve of a large individual. 



GONIOPHORA SUBRECTA. 



rage 304. 

 See Plate 42. 



Pig. 19. A left valve preserving the usual form. 



Chemung group. Franklin, Delaware Co., N. T. 

 Fig. 21. A left valve of a large individual. 



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