1886. ] The Phylogeny of the Camelide. 619 
braska, Dakota, Wyoming and Colorado. They were evidently 
very abundant during Oligocene time. 
The genus Gomphotherium embraces but one species, the G. 
-Q oo Merai nm from Mes River Miocene of Nebrask 
skull, right i e Rar If natural size; erior molar an, nat, size; c, 
Saleies molars, nat. siz ax Lady, dent Pania of Nebras 
sternbergi Cope, which was found by Mr. C. H. Sternberg in the 
ohn Day Miocene beds of Central Oregon. Its size exceeds 
that of either of the Poébrotheria, equaling that of a llama. 
Ei Mi Aeren sternbergii Cope, two-fifths nat. size, from e Bess 
red "pia of Oregon. Fig. a, left side; 5, inferior side; c, distal end of 
m Report U. S. Geolog. Survey, F. V. Hayden 
Its Sate were also slender, and in their es characters 
resemble those of the genus which preceded it. The second and 
digits are represented on both feet by small scale-like bones 
