98 
TRANSACTIONS OF THE TEXAS ACADEMY OF SCIENCE. 
quite numerous at places, so that it might he said the bed was character- 
ized by that fossil. This fact will assist materially in correlating the 
Texas and Kansas beds, as that fossil has been reported only from one 
locality in the Kansas area, where it is associated with the same fossils 
as in Texas. It is quite certain that the Fort Riley horizon is the same 
as the Wichita division of Texas, and is at the very top of the division. 
With one horizon definitely established, it will he easy enough to cor- 
relate the other parts of the formation in the two areas. 
