PHALACROCORACID^ : CORMORANTS. 
725 
long filamentous featherg (considered by Nitzsch filoplumaceous) , on the head and neck, and 
even, in some cases, on the upper and under parts too. These feathers are commonly white, as 
Fig. 505. — Skull of Phalacrocorax Ucristatus, showing sto. occipital style or nuchal bone; nat. size. (From 
nature by Dr. R. W. Shufeldt. The style is somewhat tilted upward from its natural position.) 
