EXPERIMENT STATION EEPORT. 



673 



the thorax is grayish-brown, smooth and without scales; three brown 

 stripes set with black bristles extend from the anterior margin to the 

 middle, and the sides are also brown and well clothed with black bris- 

 tles, as is the posterior part of the dorsum. The legs are long and 

 slender, dark brown, almost black, with steely-blue reflections; the 

 femora are somewhat paler beneath and there is a small, faint, yel- 



Fig. 2. 



Anopheles barberi: details of larval structure : a, one of the scales ; ?^ mentum ; 

 c, maxilla ; d, mandible ; e, antenna ; all much enlarged. Original. 



lowish dot at the knee. The claws are simple on all feet. The wings 

 are hyaline, with brown scales attached with uniform thickness to the 

 veins and margins. The abdomen is brown, in some specimens paler 

 at the base of the segments, and fine brownish hairs are scattered 

 evenly over the entire surface ; beneath it is evenly grayish-yellow. 



Male. — Differs from the female in the antennae being plumose and 

 the terminal joint of the palpus swollen and wholly brown, not tipped 

 with white. The claws of the anterior tarsal joint are unequal in size, 



43 



