GENUS ANOPHELES 323 



the large spot being uniformly black instead of spotted with yellow, as 

 in gigas, as well as by its being altogether a darker species. There 

 appears to be a triangular swelling at the base of the abdominal seg- 

 ments. It may be distinguished from An. crucians by the costa of the 

 latter being uniformly dark, and by its having two instead of three dark 

 spots on VI. The middle spot extends much further across the wing 

 than in the Sinensis group, and the tarsi are unhanded. Length. — 5 to 

 7 mm. 



Habitat. — Widely diffused over the North American continent from 

 Ontario to Kansas. Has been recorded from Jamaica. Is known as the 

 " winter mosquito," havmg been taken when the temperature was but 

 6° F. 



37. ANOPHELES PSEUDOPUNCTIPENNIS, Theobald 



(Monog. II., Append. I.). 



Closely resembles An. punctipennis, Say, but differs in the 

 internal wing fringe being ornamented with yellow interruptions 

 at each longitudinal junction, and in VI. having the basal half 

 pale, and the .apical dark, except for a small yellow spot at its 

 junction. 



The thorax and abdomen appears brown and hairy, but destitute of 

 scales, and the palpi appear to be banded and yellow at the apex in 

 both sexes. Length. — 5 mm. 



Habitat. — Grenada. Described from specimens in Balsam, in which 

 all but the more strongly-marked cliaracters as to colour and scaly 

 structure are necessarily lost. 



38. ANOPHELES LINDESAII, Giles (First Edition, p. 166). 



Plate X, fig. 8, Wing of J . 



"Wing with the costa and all the external long veins dark 

 scaled, and the prevailing tint of the entire wing dark except at 

 the tip, where there is a large apical spot involving all the veins 

 outside the tip of ant. br. of IV, behind which all the long veins 

 show short lengths of lighter scales ; the internal fringe is dark 

 except round the apical spot, and a patch of pale scales opposite 

 the junction of post. br. of IV. Tarsi without bands. Thorax 

 black, with a large well-defined patch forming the greater part of 

 the dorsum, grey, saving a very tine black median line. Abdomen 

 nearly black, the hinder border of the segments darkest. 



Head black, with a patch of whitish tomentum on the vertex, which 

 extends forwards between the bases of the antennae so as to give the 

 appearance of a rostrum ; eyes black ; proboscis, palpi, and antennae 

 uniformly dark brown. Thorax with a large quadrangular patch covered 

 with whitish scales, covering the greater part of the dorsum, on which is 



