SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 81 , NO. 9, PL. 9 



(Both figures ^ natural size) 

 I. Right humerus of Parocnus scrus Miller, anterior aspect. No. 233231. 



LJ. S. Nat. Mus. 

 la. Rio-ht humerus of raroriius scrus Miller, outer aspect. No. 253231, 



U. S. Nat. Mus. 



