SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 81, NO. 9, PL. 5 



(Both figures natural size) 



1. Right femur of Acratocnus odojilrif/onus .\ntliony, anterior aspect. 



No. 17711. Amer. Mus. Nat. Hist. 



2. Right femur of Acratncuus {'■!) comes Miller, anterior aspect, lype. 



