PLATES. @xiih 
Miocenr Ruroceroses. Bones or APHELOPS MALACORHINUS 
Fias. 1-6. Aphelops malacorhinus Cope, 1878. Skeleton bones referred to this species by 
Professor Cope. Amer. Mus. Cope Coll., from Republican River beds, Nebraska. 
Fig. 1, 1a, 1b, pelvis, anterior, posterior and external views, one-fourth natural 
size; fig. 2, 2a, tibia, anterior and distal views, two-fifths nature; figs. 3-6, dorsal 
and a cervical vertebra, two-fifths nature. 
These specimens were presumably referred to this species on account of their 
being found associated with the type or some referred skull material of A. mala- 
corhinus; but the record of such association has been lost, and a search through 
the published references, field records and other possible sources of information 
has failed to recover any conclusive evidence upon it. The association of skull 
and skeletal parts in the related species A. ceratorhinus Douglass indicates how- 
ever that these bones are correctly referred to A. malacorhinus. (W.D.M.). 
