a 
182 DIPTERA. 
29. Telothyria ovata, sp.n., 2. 
Grey; frontal band, four thoracic stripes, hind borders of the abdominal segments, antennw, and legs black ; 
palpi rufous ; abdomen ovate. 
Length 5°5 millim. 
Front pale ochraceous, as broad as the eyes ; frontal band narrower than the lateral portions ; frontal bristles 
descending as far as the end of the second antennal joint ; eyes descending to the vibrisse. Second 
antennal joint with some bristly hairs ; third joint four times as long as the second ; arista thickened in 
its proximal half. Proboscis black; palpi rufous, slightly thickened towards the tips. Thorax and 
scutellum grey; thoracic dorsum with four black stripes—the intermediate ones linear, the outer stripes 
scarcely broader and interrupted at the transverse suture. Abdomen ovate; first segment black ; the 
following segments grey, with the hind borders shining black; discal and marginal macrochete short, 
only those on the hind margin of the third segment somewhat longer. Middle tibiee with some long 
bristles ; hind tibiee with several short and some longer bristles. Tegule white. Wings greyish-hyaline ; 
small cross-vein before the middle of the discal cell; apical cross-vein straight; posterior cross-vein 
slightly curved. 
Hab. Mexico, Tierra Colorada in Guerrero 2000 feet (H. H. Smith). 
A single female specimen. 
30. Telothyria cupreiventris, sp.n., @. (Tab. IV. figg. 14; 14a, head in 
\-7 profile. ) 
Thorax bluish-grey ; pleure with yellowish pile; abdomen shining brown, somewhat metallic; palpi and base 
of the antenne rufous ; legs black. 
Length 7°5 millim. 
Head ochraceous ; face and cheeks narrow ; front narrower than the eyes, obscure; frontal band black, with a 
grey reflection. Antenne rufous ; third joint (except at the base) black ; arista thickened in its proximal 
half. Proboscis black, with the terminal lips somewhat rufous; palpi pale rufous. Thorax bluish-grey, 
with white reflections and obsolete black lines; pleuree whitish, densely beset with a yellowish pile; 
scutellum brown, with a grey tomentum. Abdomen shining brown, slightly metallic, the first two ~ 
segments laterally rufous and somewhat transparent, the metallic coloration most conspicuous on the 
third and anal segments, where it; becomes more or less violaceous; macrochete rather strong, only at 
the hind margins of the third and anal segments, a lateral one, however, also on the first and second 
segments. Legs black, with bristles of moderate size ; foot-claws and pulvilli short. Tegule yellowish- 
grey. Wings greyish-hyaline, yellowish at the base and along the costa; small cross-vein a little beyond 
the middle of the discal vein; apical and posterior cross-veins curved, the latter nearly in the middle 
between the small cross-vein and the curvature of the fourth vein. 
Hab. Mexico, Fortin in Vera Cruz, Teapa in Tabasco (H. H. Smith). 
Five female specimens. 
31. Telothyria placida, sp. n., 9. 
Cinereous; thorax with four black stripes; abdomen blackish-brown, with grey reflecting spots, laterally 
rufous ; palpi and base of the antenne rufous ; legs black. 
Length 7 millim. 
Head ochraceous; front narrower than the eyes, with parallel sides; frontal band black. Antenne rufous; 
third joint (except at the base) blackish ; arista thickened to near the middle. Proboscis shining black, 
the terminal lips and the almost filiform palpi rufous. Thorax yellowish-grey ; the black stripes distinct 
and prolonged behind the transverse suture, the intermediate ones linear and slightly convergent in front ; 
scutellum testaceous, with grey tomentum. Abdomen blackish brown; the second and following seg- 
ments with narrow grey front borders, grey reflecting spots, and a not always conspicuous, interrupted, 
