LEIOGNATHUS 



THE OSTEOLOGY OF LEIOGNATHUS FASCIATUS IN 



DETAIL. 



H 



SUPERIOR VIEW OF CRANIUM OF LEIOGNATHUS FASCIATUS. 



Drawn by C. L. STARKS. 



e, ethmoid. fr, frontal. p, parietal. aoc, supraoccipital. 



eo, exoccipital. n, nasal. pf, prefrontal. v, vomer. 



epo, epiotic. op, opisthotic. pt, pterygoid. 



On each frontal, beginning at the anterior outer edge just behind 

 the prefrontal, is a high, thick ridge which converges backwards with 

 its fellow of the opposite side, and is continuous with the lateral ridge 



