Publications of the Carnegie Museum, Serial No. 85. 
MEMOTRS 
OF THE 
CARNEGIE MUSEUM. ~ 
VOL. IV. NO. 3. 
W. J. HOLLAND, Eprror. 
A REVISION OF THE ENTELODONTIDAE 
By 0. A. PETERSON 
PITTSBURGH. 
Pusiisnep By THE BoaRrp or TRUSTEES OF THE 
CARNEGIE INSTITUTE, 
~™ May, 1909. 
