1006 LIST OF DIPTEEA. 



Trypeta iEsia, n. s., fem. Fusca, capite fulvo, abdominis apice 

 nigro, palpis antennis pedibusque fulvis, alis fuscis maculis albis 

 triginta ornatis. 



Body brown, thinly clothed with tawny hairs : head and chest 

 beset with a few black bristles : head tawny : eyes brassy, varied 

 with reddish purple : sucker, palpi, and feelers tawny : abdomen 

 obconical, a little longer than the chest, hardly tapering 1 , black to- 

 wards the tip : legs tawny, clothed with short tawny hairs ; claws 

 black: wings dark brown, each adorned with about thirty white 

 spots, these are various in size and shape, mostly round, more 

 frequent along the border than on the disk ; wing-ribs tawny; veins 

 black, tawny towards the base ; cross- veins straight, the space 

 between them nearly equal in length to the lower cross-vein ; poisers 

 tawny. Length of the body ]J line; of the wings 2 lines. 

 a. St. James's Isle, Galapagos. Presented by C. Darwin, Esq. 



Trypeta Viana, n. s., fem. Fulva, thoracis later ibus piceo macula- 

 tis, abdomine nigro trimaculato, palpis antennis pedibusque ful- 

 vis, alis fuscis maculis limpidis fulvisque ornatis basi limpidis. 



Body tawny, clothed with tawny hairs ; head and chest beset 

 with some long black bristles : head pale tawny ; sides of the face 

 without bristles ; epistoma not prominent : eyes dark red ; fore part 

 nearly flat, its facets a little larger than those elsewhere : sucker 

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

 bristles: feelers pale tawny, shorter than the face ; third joint coni- 

 cal, more than twice the length of the second ; bristle black, slender, 

 clothed with hairs of moderate length, tawny at the base, more than 

 twice the length of the third joint : chest adorned on each side with 

 an interrupted pitchy stripe, or rather with two pitchy spots, of 

 which the hinder is interrupted by a slender tawny stripe ; scutcheon 

 pale tawny; hind scutcheon black: abdomen elliptical, a little 

 shorter and broader than the chest, having a large black spot on the 

 back near the base, and two smaller black spots on each side near 

 the tip : legs pale tawny, clothed with tawny hairs ; tips of the 

 shanks armed with black spines ; claws black ; fore thighs armed 

 beneath with black bristles : wings brown, colourless at the base ; 

 fore borders adorned with one tawny and two colourless marks, the 

 first is small and very near the bristle of the fore border, the second 

 at a short distance from the first is larger and triangular, the third 

 is smaller, irregularly triangular and near the tip ; disk of the wing 

 adorned with three small colourless spots ; two large irregular spots 

 on the hind border advancing into the disk of the wing : wing-ribs 

 tawny ; veins pitchy, tawny on the colourless parts of the wing ; 





