646 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 114 



evenly expanded to occupy large mesal emargination in base of uncus. 

 - ^Harpe simple. Lateral aspect: broad, robust; costa and sacculus 

 fused, comprising slightly more than basal half of harpe, glabrous 

 except for punctate and setose ventrocaudal margin of sacculus, 

 broadest in apical third at pomt of attachment of arm of transtilla, 

 approximate basal two-thirds gradually and evenly narrowing basad 

 to narrowly rounded basal extremity, dorsal and ventral margins 

 sublinear; cucullus partially and indistinctly separated from costa 

 and sacculus by irregular areas of reduced sclerotization, ectal surface 

 glabrous, ental surface sparsely and finely punctate and setose, dorsal 

 margin heavily sclerotized and weaJdy sinuate, ventral margin moder- 

 ately sclerotized and sublinear, moderately expanded at base, consider- 

 ably narrowed dorsad and ventrad somewhat distad of base, approxi- 

 mate apical two-thirds expanding considerably ventrad and markedly 

 dorsad to form unusually broad apex; apex evenly emarginate near 

 ventral extremity, with dorsal and ventral extremities rounded. 



Transtilla with arm short, approximately one-sixth as long as 

 harpe, well sclerotized, glabrous, wealdy sinuate, strongly diverging 

 from dorsal margin of costa, terminating acutely far distad of basal 

 extremity of harpe. 



Uncus obscurely bifid, similar to that of persimplex. Dorsal aspect: 

 base largely separated from tegumen by areas of reduced sclerotiza- 

 tion, cephalic margin with broad and deep mesal emargination en- 

 tirely occupied by large caudal expansion of tegumen, mesal area 

 moderately sclerotized and glabrous; lateral margins very heavily 

 sclerotized, sparsely punctate and setose distad, sublinear, gradually 

 converging distad into bases of furcae; angle of bifurcation extremely 

 small, acute, located near midpoint of main uncal process; furcae 

 approximate, appearmg almost as single process in dried specimens, of 

 medium length and width, heavily sclerotized, directed caudad and 

 curving slightly ventrad, lateral margins sparsely and finely punctate 

 and setose, apices acute. 



Gnathos fused, similar to that of persimplex, large and broad, 

 curving ventrocaudad, large mesobasal portion membranous to weakly 

 sclerotized, lateral margins and apical portion well sclerotized; ap- 

 proximate apical third considerably thickened dorsoventrad, heavily 

 scobinate dorsad, densely clothed ventrad with minute seta-like 

 processes; lateral margins evenly converging distad into broadly 

 rounded apex; apex very weakly emarginate. 



Anellus large, membranous, unarmed, juxta absent. 



Aedeagus slender, rather elongate, slightly longer than harpe, 

 glabrous, cylindrical, asymmetrical, sublmear in lateral aspect, basal 

 and apical portions curving somewhat sinistrad in dorsal and ventral 

 aspects, approximate basal fifth moderately expanded laterad and 



