/6;7/^ 



Publications of the Carnegie Museum, Serial No. lOl- 



MEMOIES 



OF THE 



OAENEGIE MUSEUM. 



VOL. VIL No. 5. 



W. J. HOLLAND, Editor. 



THE PYGIDIIDAE, A FAMILY OF SOUTH 

 AMERICAN CATFISHES 



By CARL H. EIGENMANN. 



PITTSBIJKGH. 

 Published by the Authoeity of the Boakd of Tkustees op the 

 CARNEGIE INSTITUTE, 

 September, 1918. 



