164 R. S. Lull — Fauna of the Dallas Sand Fits, 



The holotype consists of the left superior maxillary 

 containing the entire series of cheek teeth, and the 

 coalesced frontals bearing two pairs of practically per- 

 fect horn-cores. 



Fig. 3. — Tetrameryx sJiuleri, gen. et. sp. nov. Holotype. Cat. No. 1.50;. 

 S. M. U. Eight oblique aspect of cranium, showing horns. X %• 



