REPORT ON MOSQUITOES. 



:i7 



wider yellowish ring in the center of the basal joint. The fan- 

 like tufts are brown with yellow reflections. The antennae are 

 brown in both sexes, the plumes in the male a pale brown color. 



The thorax is brown, darker laterally, with some yellowish 

 scales over the surface; the pleura, brown with patches of dirty 

 white scales. The femora are black above, pale yellowish be- 

 neath, with a very few yellow scales; the black meets on the un- 

 derside near the apex and the knee spot is a small yellowish dot. 

 The tibi?e are black, spotted with yellow scales, and may be either 



Figure 63. 



Culex tceniorhynchus : i, female adult; 2, the anterior claws; 3, anterior, 4, median, 

 and 5, posterior claws of male: all much enlarged. (Original). 



black or yellowish beneath. The tarsi are black, the anterior and 

 mid narrowlv white-ringed at the bases of the first three joints, 

 obsolete or entirely wanting in the fourth, while the fifth, though 

 without a band; is paler in color. The posterior tarsi have pure 

 white bands about double the width of the anterior and mid, on 

 all but the apical joint ; that is entirely white or black tipped. The 

 claws of the anterior and mid tarsal joints in the male (fig. 63, 

 3 and 4) are unequal in length, the long claw of the anterior hav- 

 ing a median and basal tooth, the shorter only a single tooth near 



