262 LIST OF DIPTERA. 



eyes with tawny and white hairs : eyes red : first and second joints 

 of feelers hoary, furnished with long white hairs ; third joint 

 piceous : chest thinly clothed with short tawny hairs, and having 

 along the fore horder a thick fringe ff long yellow hairs ; its sides 

 and the breast are also clothed witn* long yellow hairs : abdomen 

 black, with alternate bands of tawny and white hairs which are 

 mingled, especially towards the tip, with black hairs ; there is a 

 thick patch of white hairs on each side of the base ; the under-side 

 is clothed with white hairs, and has alternate hoary and tawny 

 bands, the former colour prevailing at the fore border, the latter at 

 the hind border of each segment : legs piceous above, tawny be- 

 neath, clothed with black spines and tawny hairs ; thighs clothed 

 with white hairs ; feet dark piceous : wings slightly gray ; the fore 

 border brown, which colour extends along some of the" veins into 

 the disk of the wing; veins piceous; poisers tawny, with piceous 

 knobs. Length of the body 5 lines ; of the wings 12 lines. 



a. New Holland. Presented by the Earl of Derby. 



Anthrax flammigera, n. s. Nigra, pilis aureis vestita, pectore cano, 

 abdomine fulvo niyro vittato, pedibus fulvis, tarsis piceis, alls 

 subcinereis basi costaque flavo-fuscis. 



Head wanting : chest black, thickly clothed with bright golden 

 hairs : breast hoary and clothed with white hairs : abdomen tawny, 

 and thickly clothed with bright tawny hairs, with the exception of a 

 broad black stripe, which slightly decreases in breadth from the base 

 to the tip of the back : legs tawny ; feet piceous : wings slightly 

 gray, yellowish brown at the base and on the fore borders till near 

 the tips ; wing-ribs and veins piceous, the latter black towards the 

 tips of the wings; poisers ferruginous, with yellow knobs. Length 

 of the body 4| lines ; of the wings 11 lines. 



a. Sierra Leone. Presented by the Kev. D. F. Morgan. 



Anthrax albipectus, n. s., fern. Nigra, capite pectoreque canis, 

 abdominis lateribus basi flavo fasciculatis, ventre cano ciliis 

 lateralibus fasciisque Jtavis, antennis nigris basi fulvo-cinctis, 

 pedibus canis, tibiis Jlavis, tarsis piceis, alis fulvo subcinereis. 



Body narrow, black, rather thickly clothed with tawny hairs : 

 head clothed with black hairs on the crown and with pale yellow 

 hairs in front ; hind part and under-side hoary : eyes red : feelers 

 black, beset with black bristles and encircled with pale tawny rings 

 towards the base : breast hoary, clothed with white hairs : abdomen 

 with a tuft of yellow hairs on each side at the base ; underside 

 hoary, with yellow hind borders to the segments, and a fringe of 

 yellow hairs on each side : hips and thighs hoary, the latter yellow 



