582 



NEW YORK STATE MUSEUM 



Deltoceras vaningeni sp. nov. 



Page 480 

 See pi. 25, 26, 28 



I Living chamber with adhering siphuncle of the preceding volution 



showing the marginal position of the same 

 The original is from the lower Chazy limestone (Q of section on 



page 398) at the Valcour shore and now in the New York State 



Museum. 



