600 NEW YORK STATE MUSEUM 



Cyrtactinoceras champlainense sp. nov. 



Page 491 

 See pi. 34, fig. 3 



I. 2 Two views of the type, showing its rate of growth, curvature, 

 depth of chambers and of septa and the character of the si- 

 phuncle. The Hving chamber is incompletely preserved. 



The original is from the dove-colored upper Chazy limestone near 

 Little Monty bay, and now in the New York State Museum. 



Gonioceras chaziense sp. nov. 



Page 491 



3 Fragmentary natural section showing the character and size of 



the siphuncle and depth of cameras 



4 The type, a natural slightly oblique section, showing the siphuncle 



and the extension of the conch with recurved septa 

 The original of figure 3 is from the middle Chazy (B^) near Chazy 

 N. Y., and that of figure 4 from the middle Chazy between Chazy 

 and West Chazv ; both are now in the New York State Museum. 



