174 



DR. C. W. ANDREWS ON LOWER MIOCENE [June I914, 



Brachyodus. In Diplopus the intertrochlear ridge is less marked, 

 and nearer the middle of the surface ; moreover, the outer border 

 of the articulation is strongly produced downwards, a condition 



Fig. 2. — Humerus of an Anthraeothere (a fifth of 

 the natural size). 



b& a 



B. 



cr.a. 



ent 



eel. 



A, seen from the front. B = Proximal end. C = Distal end. 

 b.g., bicipital groove ; cr.a., crista anterior ; d.r., deltoid ridge • ect, ecto- 

 condyle ; ent., entocondyle ; h., head ; i.L, inner tuberosity ; i.tr.] inter- 

 trochlear ridge ; o.t., onter tuberosity ; t, trochlear surface. 



not seen in the specimen now described. The entocondyle {ent., 

 fig. 2, A) is large, and bears on its outer side a large tuberosity for 

 the attachment of muscles; its posterior angle does not project 



