GENUS CULEX 395 



with pale ferruginous basal bands, and an additional band across 

 the middle of the hind first tarsal. Thorax with the dorsum 

 black grounded, densely clothed with narrow curved yellow scales 

 intermixed with long stiff black bristles. Abdominal segments 

 sooty, with large triangular spots on their hind borders, with the 

 apex pointing forwards. Legs and other appendages all speckled 

 with white, exactly as in S. pipersalatus mihi. 



Head black-grounded, with black erect forked scales, and yellow 

 narrow curved scales. Palpi unhanded, but brindled yellowish just 

 at tip. Proboscis brindled, with an ill-defined band on which yellow 

 scales preponderate, occupying the middle third. Antenntc fuscous. 

 Legs brindled throughout, except on the tarsi, which are sooty, save on 

 the light bands. There is a distinct patch oft yellow on the outside of the 

 femora, just above their apices, and on the knees. Venter pale yellow. 

 Length.'- — About 5 mm. 



Habitat. — Jamaica. 



CULICES WITH UNSPOTTED WINGS. 



The eleven preceding species may be said to have the common 

 characteristic of mimicking the Anopheletcs ; and in any case, 

 the spotting of the wing is so striking a character that, for pur- 

 poses of tabulation, it is obviously desirable to keep them apart. 

 For the same reason those of the plain winged species which 

 present the easily-noted character of a banded proboscis have 

 been tabulated in a group by themselves, although the plan 

 involves their separation from species to which they are more 

 naturally allied. 



The remaining sj)ecies are divided into two large series, viz., 

 those with banded and unhanded tarsi respectively, and these are 

 subdivided into groups according to the position of the pale tarsal 

 banding and the decoration of the abdomen. As none have 

 spotted wings, the note to that effect will be omitted in the 

 remaining short descriptions. 



In the majority of species the scales clothing the wings are 

 of all one colour, though generally a little paler on the internal 

 fringe, but in C. dorsalis, Meig., audits allies — Eondanis' C. 2^eni- 

 cilaris, C. pulchritarsis, and C. ptclcliripaljns, as well as in 

 C. annidipes, C. solicitans, C. maculivcntris, C. marinus and some 

 others, they are " brindled," with intermixed pale and dark 

 scales, which makes them look under the microscope as if 

 peppered and salted, although it does not give rise to spotting. 



The remaining groups are then as follows : — 

 A. Proboscis banded in one or both sexes = group II. 



