MEMOIRS CARNEGIE MUSEUM, VOL, II. PLATE XII. 
NN 
SSW 
: : 
PrcroraL GIRDLE or BAPTANODON DISCUS. 1, ANTERIOR ViEW; 2, DorsaL View (No. 919); 3, VentRaL View 
(No. 878). An + Natorat Size. 
a 
