214 CHIRON OMID.S. 



Mas et Fcem. murinus, scutello fulvo out fulvo-marginato, pectoris late- 

 ribus nigricantibus subnitidis, notis duabus lateralibus sordide fulvis, 

 alis hyalinis subalbidis cano-pilosis, venis plus minusve fuscis, halteri- 

 bns albis, abdomine nigro-fusco, pilis longis albo-flavis, pedibus albidis 

 albido-pilosis, tarsorura articulis apice nigris ; Mas, antennarum plurals 

 nigro-cinereis apice albidis ; Fcem. alis obscurioribus pilosioribus. 

 Long, -f | ; alar, li lin. 



Male and Fern. Mouse-colour, dull. Antennae blackish-grey. Scu- 

 tellum generally tawny, clothed with yellow hairs, with which some 

 black hairs are intermixed, occasionally black, with a tawny border, and 

 clothed with black hairs. Sides of the pectus blackish, somewhat 

 shining, with a dingy tawny mark on each side before the base of the 

 wings. Wings hyaline, slightly whitish, clothed with hoary hairs, 

 which are thickest towards the costa ; veins more or less brown. Hal- 

 teres white. Abdomen blackish-brown, with long whitish-yellow hairs. 

 Legs whitish, clothed with whitish hairs, which are very long beneath 

 the tibiae and the tarsi; joints of the tarsi with black tips. Male. 

 Plumes of the antennae blackish-grey, glistening-white towards the tips. 

 Fern. Joints of the antennae oval, the five last rather broader and longer 

 and more acuminated thau the preceding eight. Wings darker, and 

 more thickly hairy than those of the male. 



(E.) 



15. titiUans, Winn. ! Linn. Ent. vi. 27. IB. pi. 4. f. 15 (1852). 

 Fern, ater, palpis Jlavo-fuscis, antennis fuscescentibus, thorace nitido pilis 



jlavido-albis, alis hyalinis cinereo-hirtis, halteribtis albis, abdomine nigro 

 albo-ldrto, pedibus albidis pilis concoloribus. Long, i ; alar. 1 lin. 



Fern. Head and thorax deep black. Palpi yellowish-brown. Antennae 

 brownish, with yellowish-grey hairs ; joints from the first to the fourth 

 cylindrical, the next four of a more oval form, the five last broader, 

 oval, somewhat elongated. TJiorax shining, clothed with moderately 

 long, yellowish-white hairs. Wings hyaline, thickly covered with grey 

 hairs. Halteres white. Stbdomen black, with white hairs. Legs whitish, 

 with hairs of the same colour. 

 Not common. (E.) 



16. saltans, Winn.! Linn. Ent. vi. 27. 16. pi. 4. f. 16 (1852). 

 Fcem. obscure fuscus, subcinereus, albido-pilosus, antennis pallide fuscis 

 albo-hirtis, palpis nigris, alis hyalinis cinereo-hirtis, halteribus albis, pe- 

 dibus albo-Jlavis, femoribus tibiisque posticis apice nigris. Long. ; alar, 

 llin. 



Fern. Dark brown, somewhat greyish, clothed with short downy whitish 

 hairs. Palpi black. Antennas pale brown, clothed with white hairs ; 

 joints from the first to the eighth cylindrical, from the ninth to the 

 thirteenth elongate, oval. Wing hyaline, clothed with grey hairs. 

 Halteres white. Legs whitish-yellow ; hind femora and hind tibia with 

 black tips. 



(E.?) 



