LIST OF DIPTERA. 947 



each side of the crown, ferruginous on each side of the peristoma ; 

 sides of the face fringed with bristles at the base ; epistoma not pro- 

 minent : eyes red, slightly convex ; all the facets small : sucker 

 pitchy, clothed with tawny hairs ; palpi black, beset with black 

 bristles : feelers black, a little shorter than the face ; third joint 

 linear, rounded at the tip, more than twice the length of the second ; 

 bristle more than twice the length of the third joint, its first joint 

 very short, second moderately long, third downy : chest adorned 

 with two hoary stripes ; breast and sides of the chest hoary : abdo- 

 men obconical, longer and narrower than the chest ; a large square 

 hoary spot on each side of every segment : legs dark pitchy, tinged 

 with gray, clothed with black hairs and bristles ; knees ferruginous ; 

 feet black ; foot-cushions tawny: wings tinged with brown ; wing- 

 ribs tawny; veins black, tawny towards the base; lower cross-vein 

 curved inward for more than half the length from the base, straight 

 from thence to the tip; scales white, of moderate size, the lower not 

 extending beyond the upper ; poisers tawny. Length of the body 

 3^ lines ; of the wings 6 lines. 

 a. Nova Scotia. From Lieut. Kedman's collection. 



Antiiomyia Sergia, n. s., mas. Nigra, thorace fusco, pectore cano, 

 abdominis segmentorum marginibus jiavo-cano maculatis, palpis 

 antennisque nigris, pedibus nigro-cinereis, alis subfuscis. 

 Body black, clothed with black hairs and black bristles : front 

 of the head slightly tinged with gray ; sides of the face without 

 bristles ; epistoma not prominent ; peristoma dark tawny : eyes con- 

 vex, very bright red ; all the facets very small : sucker black, 

 clothed with tawny hairs : palpi black, beset with black bristles, club- 

 shaped : feelers black, a little shorter than the face ; third joint full 

 thrice the length of the second, very slightly increasing in depth 

 from the base to the tip, where it is obliquely truncated ; bristle 

 stout for one-third of the length, very slender from thence to 

 the tip, more than twice the length of the third joint : chest brown : 

 breast hoary : abdomen linear, narrower and a little longer than the 

 chest, adorned with a very large yellowish hoary spot on each side 

 of every segment ; tip yellowish hoary : legs black, tinged with 

 gray, clothed with black hairs and bristles ; foot-cushions tawny : 

 wings slightly brown ; wing-ribs tawny ; veins black, tawny towards 

 the base ; lower cross-vein slightly curved inward ; scales small, 

 whitish ; poisers pale tawny. Length of the body 2\ lines ; of the 

 wings 5 lines. 

 a. Italy. From Dr. Leach's collection. 



