m 



602 NEW YORK STATE MUSEUM 



Cyclostomiceras cassinense Whitfield (sp.) 



Page 501 

 See pi. 38, fig. 5, 6 



I, 2, 3 Ventral, dorsal and lateral views of a nearly perfect speci- 

 men, showing the living chamber, hyponomic sinus, rate of 

 growth and the sutures. In figure 3 the specimen is placed in 

 the position which the animal probably maintained during life. 



The original is from the Fort Cassin beds at Fort Cassin and now 

 in the museum of Burlington University. 



