INSECUTOR INSCITI^ MENSTRUUS 63 



small and tapering ; at the summit a large and a small filament, 

 the former hooked ; middle filament long, close to the three 

 outer filaments, all arranged on the oblique outer side of the 

 stem. Inner division of lobe of side-piece with the arms well 

 separated, the outer moderate, the inner short, each bearing a 

 stout curved filament, the outer widened and pointed, the inner 

 spatulate at tip. Second uncal plate furcate, shallowly emar- 

 ginate, the inner limb pointed, the outer rounded, both short ; 

 a strong spine about the middle of the inner side of the stout 

 stem. Articulated plate of unci large, infuscated, concave, 

 with an emargination on one side of the apex. Basal hooks 

 large and stout, long, bent sharply at outer third, the tips re- 

 curved. Basal appendages long and slender, the tips a little 

 enlarged and bearing many stout setae. 

 So far, received only from Panama. 



Culex (Choeroporpa) phlabistus, nevv^ species. 



Clasp-filament moderately snout-shaped, with dorsal crest 

 of fine pile, spine appendiculate, little widened. Outer division 

 of lobe of side-piece with rather long slender stem, with slen- 

 der curved outer arm, bearing a small leaf, a widened rounded 

 filament and a blade-like pointed filament ; inner angle with a 

 long filament with hooked tip and a widened ligulate round- 

 tipped one, middle filament from a very strong insertion, but 

 moderate only, blade-shaped. Inner division of lobe of side- 

 piece with the arms separated, that is diverging at an angle, 

 but the inner sessile on the outer, which is stout and moderate 

 only, each with a large filament with widened hooked tip. 

 Second uncal plate furcate, one limb sharp, the other denticu- 

 lated at tip ; stem long and slender, a stout hook near the base. 

 First plate triangular-spatulate. Articulated plate large, infus- 

 cated, deeply emarginate at apex. Basal hooks long, curled. 

 Basal lobes rather small, triangular and tubercular, with many 

 fine setae. 



Adult with mesonotal scales small and hair-like, bronzy 

 brown ; head with a rather large area of narrow scales on ver- 

 tex, flat white ones on the sides. Abdomen with basal seg- 



