336 INSECTA SAUNDERSIANA. 
Mbsca surrusa. 
Purpureo-cyanea ; caput albidum; antenne ferruginee ; pedesnigris ale 
cinerea, basi et ad costam obscuriores. 
Blue, varied with purple : head with a white covering; frontalia black 
and a little narrower towards the feelers; facialia, epistoma, lateralia and 
palpi tawny: eyes bare: feelers ferruginous, darker above: chest partly 
green, with a slight hoary tinge: abdomen a little broader and shorter than 
the chest: legs black ; wings gray, darker at the base and along part of the 
fore border; veins black; middle cross-vein clouded ; prebrachial vein 
forming a slightly obtuse angle at its flexure, slightly bent inward at a lit- 
tle before half the distance from thence to its tip ; lower cross-vein very 
slightly bent outward towards the tip: alule gray with whitish borders. 
Length of the body 34 lines; of the wings 8 lines. 
Brazil. 
Mosca rurpipa. 
Viridi-cyanea; caput auratum; thorax albidus, bivitiatus ; antenna 
lutee, apice supra ferruginee; tibia ferruginee ; tarsi nigri; ale 
cineree, basi nigricantes. 
Blue, partly green: head with a pale gold covering, tawny in front, 
clothed beneath and behind with yellow hairs; crown black on each side ; 
frontalia ferruginous, linear; epistoma prominent: mouth black, pitchy 
towards the tip; palpi tawny: feelers luteous; third joint ferruginous 
above; sixth joint black: chest with a slight whitish covering which is in- 
terrupled by two slender stripes: legs green; shanks dark ferruginous ; feet 
black: wings gray, blackish at the base; veins black; prwbrachial vein 
much curved inward beyond its flexure; lower cross-vein with two equally 
slight curves: alule grayish, white at the base. Length of the body 4 
lines; of the wings 8 lines. 
Jamaica. 
