1916] Miller: Vulturid Raptors from Ranch o La Brea 107 



In the hypotarsal region, Neophrontops is seen to have the hypo- 

 tarsal ridges more prominent, closer together, and without an incipient 

 third ridge between. The hypotarsus is set off more abruptly from 



metatarsus, anterior aspect. No. 22402. b, Tibiotarsus, anterior aspect. No. 

 22403. 



Fig. 2. Neogyps errans, n. gen. and sp. Natural size. Tarsometatarsus, 

 anterior aspect. No. 22401. 



the shaft below ; the bone is more excavated so that parts of the 

 proximal end are appreciably thinner than in Neophron. The plantar 

 tendons occupy a deeper groove along the posterior face of the shaft. 



