5 \ ae ne 4 se +h 
DIPTRRA. 341 
frontalia black, broad, linear; epistoma prominent; mouth pitchy ; palpi 
tawny: feelers pitchy ; sixth joint black: legs pitchy: wings quite colour- 
less ; veins tawny, yellow at the base; prebrachial vein forming a slightly 
obtuse angle at its flexure, hardly curved inward from thence to the tip ; 
lower cross-vein with two slight curves, the lower inward, less distinct than 
the other which is outward: alule white: halteres tawny. Length of the 
hody 3} lines; of the wings 7 lines. 
East Indies. 
Musca proxmma, Fem. 
Cyanea ; caput album ; thorax antice viridis, scutello purpureo ; abdomen 
purpureum, apice viride; antenne nigre, basi ferruginee ; pedes 
nigri ; ale subcineree. 
Blue: head with a white covering ; frontalia black, linear: eyes bare: 
palpi tawny: feelers black, ferruginous at the base; third joint not nearly 
reaching the epistoma: chest mostly green in front; scutcheon mostly purple : 
abdomen purple, green towards the tip: legs black: wings slightly gray ; 
prebrachial vein forming a slightly obtuse angle at its flexure, slightly bent 
inward near this, straight from thence to the tip; lower eross-vein with 
the two curves, the upper one deeper than the lower one: alule dingy 
white, with yellowish white borders : halteres pitchy. Length of the body 
3} lines; of the wings 7 lines. 
California. 
Musca bicemmis, Mas. 
Purpurea; caput purpureo-piceum; abdomen apice aureo-viride; an- 
tenne et pedes picea ; ala sublimpide, basi nigricantes. 
Purple: head purplish-pitchy, with a white covering, clothed behind 
and beneath with short white hairs, lurid on each side of the face ; epi- 
stoma prominent: upper facets of the eyes a little larger than those else- 
where : mouth pitehy ; palpi ferruginous : feelers pitchy ; third joint almost 
reaching the epistoma: chest and abdomen with a slight hoary bloom , 
abdomen golden-green towards the tip : legs pitchy : wings almost colourless, 
blackish at the base ; veins black ; prebrachial vein slightly curved outward 
near its flexure, straight from thence to the tip: lower cross-vein with the 
2 Y¥ 
