126 .R. S. Lull — New Tertiary Artio dactyls. 



Fig. 25. Skull of Blastomeryx marshi. A, left lateral; B, dorsal, and C, 

 ventral aspect, bo, auditory bulla; fm, foramen magnum; fr, frontal; h, 

 horn; mx, maxillary; n, nasal; o, orbit; oc, occipital condyle; pa, parietal; 

 pal, palatine; pmx, premaxillary ; t, temporal. One-half natural size. 



