NAPLES FAUNA IN WESTERN NEW YORK, PART 2 437 



Genus hyolithus Eichwald 



Page 341 



Hyolithus neapolis Clarke 



Page 341 



22-30 A series of specimens representing both aspects of this species. 

 Figures 27-29 are of a replacement which preserves normal 

 contour and the form of the aperture ; figure 30 is the only 

 specimen observed from the Chautauqua subprovince, the 

 rest are from the shales and concretions about Naples and 

 Honeoye lake. All are enlarged 1.5 diameters except 

 figures 27-29 which are X7. 



