564 



NEW YORK STATE MUSEUM 



Eurystomites kelloggi Whitfield (sp.) 



Page 456 

 See pi. 17, fig. 1 



1 Fragment of shell showing the coarse striae and rugae of the 



surface. The fragment is in a crushed condition. It comes 

 from bed A 3 of the Fort Cassin beds (Beekmantown formation) 

 at Valcour, and is now in the New York State Museum. 



Eurystomites accelerans sp. nov. 



Page 460 



2 Lateral view of the type 



3 View of a part of the flat ventral side of the same specimen 

 The original is from the Fort Cassin beds (A 3 ) of the Valcour sec- 

 tion and now in the New York State Museum. 



Eurystomites amplectens sp. nov. 



Page 4 6i 



4, 5 Two views of the type. Figure 4 slightly restored in the lower 

 part 



6, 7 Two views of the first chamber with the cicatrix and surface 

 sculpture 



The original is from the Fort Cassin beds (A 5 ) of the Valcour sec- 

 tion and now in the New York State Museum. 



