U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 91 PLATE 11 



/lange 



6 zuni 



4-4^. Arachnis aulaca Geyer: 4, Ventral view of male genitalia with aedeagus removed showing 



flange of tegumen; An, anellus, ventral view; Ab, lateral aspect of aedeagus showing disto- 



lateral flap. 

 5-6«. Arachnis zuni Neumoegen: 5, Ventral view of male genitalia with aedeagus removed; _■'«, 



ventral view of anellus; bb, aedeagus, lateral view; 6, ventral view of female genitalia; 6(7, 



dorsal glands. 



