LIST OF DIPTERA. 481 



black and beset with long black hairs : eyes coppery, large, flat on 

 the fore side, composed of facets with three sizes ; the facets in the 

 middle of the fore part are remarkably large and are surrounded by 

 facets of moderate size, but those in the outermost border of the eye 

 are very small : feelers black ; joints from the first to the third very 

 short ; first joint club-shaped ; second joint linear, somewhat shorter 

 than the first; third joint conical, as long as the second; fourth 

 joint or bristle very long, thrice the length of all the preceding 

 joints : chest thinly clothed with black hairs on the back, tawny and 

 covered with tawny hairs on each side and behind and on the 

 scutcheon ; this tawny hue is darker on the fore sides and on the 

 two oblique side-bands ; shoulders tawny, shining : abdomen linear, 

 with a bronze tinge, thinly clothed with black hairs, tawny and 

 clothed with pale tawny hairs, much narrower and longer than the 

 chest but not twice its length; first and second segments short; 

 third and following segments longer, but successively decreasing in 

 length to the tip : legs tawny, clothed with black hairs ; hips, tro- 

 chanters and tips of shanks piceous ; feet dark tawny ; claws black, 

 yellow at the base; foot-cushions pale tawny; hind legs much 

 longer than the others ; hind thighs armed beneath with some black 

 spines ; hind shanks slightly curved, somewhat piceous in the mid- 

 dle : wings with a very slight tawny tinge ; wing-ribs ferruginous ; 

 veins black, ferruginous at the base ; poisers tawny, with piceous 

 knobs. Female. — Eather darker than the male : first and second 

 joints of the feelers hardly longer than broad ; third joint much 

 more slender than the first and the second: abdomen bronze, 

 slightly spindle-shaped, twice the length of the chest, with a pale 

 tawny spot at the base, tawny beneath, more shining than that of 

 the male : wings darker than those of the male : knobs of the 

 poisers pale tawny. Length of the body 4 — 4^ lines ; of the wings 

 9—10 lines. 



Var. /3. fern. — Abdomen with two large pale tawny spots to- 

 wards the base : wings rather dark. 



1 a. Hong-Kong, China. Presented by J. Bowring, Esq. 



1 Damalis fuscus, n. s., fem. Fuscus^ thoracis lateribus pectoreque 

 canis, abdomine nigro, antennis pedibusque nigris, alls subfuscis 

 ad costam obscurioribus. 



Body dark brown : head a little broader than the chest, thinly 

 clothed beneath with white hairs ; clypeus armed with a few black 

 bristles : eyes bronze ; fore part nearly flat, its facets much larger 

 than those of the other part : lip black, clothed at the tip with short 

 tawny hairs ; palpi black, clothed with long black hairs : feelers 



