"Corvus corax, the Raven, are generally black with a purplish or greenish gloss, and frequently with…
"Aegithognathous skull of raven, Corvus corax, nat. size, from nature, by Dr. R. W. Shufeldt, U.S.A.…
"Corvus corax. American Raven. Feathers of throat somewhat stiffened, lengthened, pointed, lying loose…