CARBONIFEROUS CEPHALOPODS. 



331 



line of huge tubercles and an aspect similar to that of Temnocheilus latus or 

 Winsloxoi. This in common with a number of others here described from 

 this locality were collected and presented by Dr. W. S. Newlon. 



Temnocheilus depressus, n. s. 



Near Oswego, Kansas. 



Coll. National Museum. 



Figs. 25, 26, natural size. 



The young of this fossil was not visible, the whole umbilical area being 

 concealed on both sides by matrix. The sides are very narrow, convex, and 

 very abruptly convergent to the umbilici. Their junctions with the abdomen 



