566 NEW YORK STATE MUSEUM 



Tarphyceras seelyi Whitfield (sp.) 



Page 465 



See pi. 20, fig. s; pi. 21; pi. 24, fig. 3 



1 Transverse section of a specimen, obtained by fracturing and 



showing- the septa and siphonal perforations. A lateral view 

 of this specimen is shown on plate 24, figure 3. 



2 Lateral view of a living chamber. The posterior part is partly 



crushed 

 The originals are from the Fort Cassin beds (A3) of Valcour N. Y., 

 and now in the New York State Museum. 



Tarphyceras multicameratum sp. nov. 



Page 472 

 See pi. 23, fig. 2 



3 The early volutions of the type specimen, the other side of which 



is shown on plate 23, figure 2 

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

 Motte and now in the museum of Burlington University. 



