240 MOSQUITOES 



VIII. — a K\US TOXOKH YNCIIITKS. 



These are anions tlu' larjj^est of our iiiosciuitoi's, and closely re- 

 semble those of the followhig {jjeiius. Our siiij^le .species has all 

 of the feet marked with white : 



ratilus Coq. 



IX.— Gknus MK(iAiunxus. 



Our three species are aiuoiig the lar^^'st in this family, and are 

 not known to occur north of tlie District of Columbia. They 

 may be separated as follows : 



Hind feet alone marked with white 1 



None of the feet marked with white hivmorrfioiddlis Fabr. 



1. Front and middle feet wholly Idack. . . . portoriceiisi.s Roeder. 



Front and middle feet yellow, lirst joint of the front ones 

 black * graudioaa Will. 



X. — GkXU.S AXOIMIKLES. 



(rt) UIX'OGMZKO hiPKCIES. 



1. With a yellowish white spot near three-fourth.s the len;i:th of 



the front margin of the wing :} 



Without such a sjjot 2 



2. Scales of last vein wholly I)lack, palpi wholly lilack 



fuacnlipcnn is MeifX- 



Scales of last vein white, marked with three black spots, palpi 



marked with white at bases of last four joints, criic/'dns- Wi«'d. 



3. Hind feet wiiolly brown, scales of last vein white, those at 



each end black />niiittp( iiiii.s Say. 



Hind feet larj^ely siiow-whiti' on tlu' apical half. 



(/ r(/!/r/t(i rsi.s Desv. 



* This .species, of which I have never seen a specimeu, probably be- 

 longs to the preceding genus. — 1). W. C. 



