574 



NEW YORK STATE MUSEUM 



Schroederoceras eatoni Whitfield (sp.) 



Page 476 

 See pi. 20, fig. 3, 4 



1 Lateral view of a perfect specimen showing the entire phrag- 



mocone, the gerontic living chamber and the surface sculpture 

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

 in the museum of Burlington University. 



Tarphyceras multicameratum sp. nov. 



Page 472 

 See pi. 19, fig. 3 ' 



2 Natural section of the type, retaining part of the gerontic living 



chamber and part of the exterior. The inner volutions of this 

 specimen are shown on plate 19, figure 3. 

 The original is from the dove-colored Chazy limestone of Isle La 

 Motte and now in the museum of Burlington University. 



