24 Cincinnati Society of Natural History, 



Bos PI.ANIFRONS . 



Circumference of base 14.5 inches. 



Length of fragment, 19.0 " 



Bos ACUTIFRONS : 



Circumference at base 17 inches. 



Length, upper curvature 49 " 



" lower " 39 " 



Interval between broken tips 87 " 



The last, says Lydekker, is probably the largest of all fossil 

 species.* 



*Geol. Siir. of India, Pal. Ind. Ser. x. vol. i, pt. 3. 



