604 NEW YORK STATE MUSEUM 



(Cyrtoceras) confertissimum Whitfield 



Page 506 



I, 2, 3, 4 Views of a specimen from the Fort Cassin beds (A5 of 

 section on page 397) at Valcour N. Y. ; figures i and 2 showing 

 the form of the conch ; figures 3 and 4 the form, character and 

 position of the siphuncle. The original is in the New York 

 State Museum. 



Cyclostomiceras cassinense Whitfield (sp.) 



Page 501 

 See pi. 37, fig-. 1-3, 



5, 6 Lateral and ventral views of a young specimen retaining the 

 living chamber and apertural margin and showing the depth of 

 the septum. The specimen is somewhat compressed laterally, 

 the lateral view too wide and the other correspondingly too 

 short 



The original is from the Fort Cassin beds at Fort Cassin Vt. and 

 now in the museum of Burlington University. 



Ooceras seelyi sp. nov. 



Page 4q6 



7, 8, 9 Three views of the type ; showing the curvature and rate of 



growth of conch, depth of chambers and position of siphuncle 

 10, II Another specimen, seen from the siphonal side and in section, 

 the latter exhibiting the hooklike funnels or septal necks on 

 the inner (dorsal) side of the siphuncle 

 The originals come from the dove-colored upper Chazy limestOxie of 

 Isle La Motte and are now in the museum of Burlington Uni- 

 versity. 



