- S49 - 



Heraarizs «- The deoidedly oblique outline and virtually 

 smooth Surface of this species, which is descrihed from a single 

 right valve, are diagnostic. 



The name is given in honor of Dr. '.Vijliam H. Dall, v/ithmit 

 whose ir.oni.iinental '-Vagner Institute Papers this studj? could not have 

 heen attempted. 



Occurrence.- Lower Lliocene : Bowden he-''s, 3ov?den, Jasiaica. 



