282 _ DIPTERA. 
curvature of the fourth vein nearly rectangular ; apical cross-vein incurved ; posterior cross-vein some- 
what undulate. . 
| Hab. Mexico, Chilpancingo 4600 feet, Amula 6000 feet, Xucumanatlan 7000 feet, 
all in Guerrero (H. H. Snvith). | | 
Several males and one female. 
25. Sarcophaga deleta, sp. n., 3. 
Cinereous; frontal band, indistinct thoracic stripes, reflecting spots on the abdomen, antenne, palpi, and legs 
. black ; hypopygium red, the base of the first segment black. 
Length 7:5 millim. 
Head whitish, with some dark reflections ; front flattened, little prominent, though angular at the insertion of 
the antenne, scarcely narrower than the eyes; frontal band blackish, nearly as broad as the lateral 
portions ; lower part of the cheeks equalling one-third of the longitudinal diameter of the eyes. Antenne 
black, inserted on the median line of the eyes; third joint nearly three times as long as the second ; 
arista plumose for two-thirds of its length. Proboscis and palpi black, the palpi cylindrical and stout. 
Thorax, scutellum, and abdomen cinereous; the three thoracic bands blackish, somewhat effaced, the 
median band with traces of a line on each side, and prolonged behind over the scutellum; dorso-central 
bristles present. Abdomen elliptical, with black reflecting spots ; hind border of the anal segment with a 
row of erect macrochete ; hypopygium prominent, red, its first segment black at the base. Legs black, 
with scattered bristles. Tegule whitish. Wings greyish-hyaline, with some brownish spots at the base ; 
small cross-vein under the end of the first vein and on the middle of the discal cell; curvature of the fourth 
vein with an acute angle ; apical cross-vein distinctly incurved ; posterior cross-vein slightly undulate. 
Hab. Mexico, Amula in Guerrero 6000 feet (Hl. H. Smith). 
A single male specimen. 
26. Sarcophaga tenuiventris, sp. n., ¢ ( ??). 
Cinereous; frontal band, three well-defined thoracic stripes, reflecting spots on the abdomen, antenne, palpi, 
and legs black; abdomen (¢ ) narrow, obconical ; hypopygium red. 
Length 6 millim. . 
Head yellowish ; front not at all prominent, much narrower than the eyes; frontal band black, broader than 
the lateral portions ; lower part of the cheeks equalling one-fifth of the longitudinal diameter of the eyes. 
Antenne black, inserted on the median line of the eyes; third joint four times as long as the second ; 
arista densely plumose for two-thirds of its length. Proboscis and palpi black, the palpi slightly thickened 
towards the tip. Thorax, scutellum, and abdomen cinereous ; thorax with three broad, sharply defined 
black bands, the median band prolonged over the scutellum ; dorso-central bristles present. Abdomen 
slender, nearly conical, narrowed posteriorly, with black reflecting spots and black hind-borders to the 
segments ; anal segment with marginal macrochete ; hypopygium prominent, red, with grey reflections, 
and with two black, filiform appendages at the apex. Legs black, with some scattered bristles. Tegule 
whitish. Wings greyish-hyaline ; small cross-vein under the end of the first vein and on the middle of 
the discal cell; curvature of the fourth vein rectangular ; apical cross-vein incurved near its base ; posterior 
cross-vein slightly undulate. 
Hab. Mexico, Amula in Guerrero, Teapa in Tabasco (7. H. Smith). 
Two male specimens. Two females from Cuernavaca in Morelos (H. H. Smith) 
probably belong to this species. They agree with the males in baving the thoracic 
stripes well-defined ; the front is a little broader than the eyes, the abdomen ovate, the 
anus yellowish-red. 
