U. S. NATIONAL MUSEUM 
BULLETIN NO. 47, PL. CCCLXXll 
920 
919. Hii’po(;lossoii>p:s 1'i.atk.><sou>e.s. (P. 2914.) 
920. Hippo<;lossoii>e.s klassodo-x. (!’. 291.5.) 
