THE OSTEOLOGY OF SINOPA— MATTHEW. 



207 



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Pig. 1.— Uppek teeth of species of Sinopa and Tritemnodon, nat. size, crown views. From 



THE SAME individuals AS THE LOWER TEETH SHOW IN FiG. 2. 



a, Sinopa rapax Leidy, Am. Mus. Coll., No. 11535. 6, Sinopa grangeri, new species. Type. Cat. 

 No. 5341, U.S.N.M. Coll. c, Sfnopa major Wortman, Am. Mus. Coll., No. 11538. d, Sinopa minor 

 Wortman, Am. Mus. Coll., No. 11532. c, Tritemnodon agilis Marsh, Am. Mus. Coll., No. 11543. /, Trt- 

 temnodon whitix Cojte, Am. Mus. Coll., No. 4781. 



