270 DIPTERA. 
2. Sarcophaga rufitibia, sp. n., ¢. (Tab. VII. figg. 3, middle leg ; 3 a, hind 
leg.) 
Cinereous ; frontal band, thoracic stripes, and reflecting spots on the abdomen blackish-brown ; hind border 
of the anal segment and hypopygium red; antenns, palpi, and legs black, the hind tibie reddish and 
with long hairs on the inner side; first and third veins bristly. 
Length 8 millim. 
Head whitish-cinereous ; front as broad as the eyes, with parallel borders ; frontal band blackish, as broad as 
the lateral portions; lower part of the cheeks scarcely equalling one-fourth of the longitudinal diameter of 
the eyes. Antenne inserted on the median line of the eyes; third joint three times as long as the second, 
its base usually somewhat rufous. Proboscis and palpi black. Thorax, scutellum, and abdomen cinereous ; 
the thorax with three blackish stripes, the median stripe narrower than the lateral ones; dorso-central 
bristles distinct. Abdomen elliptical, with blackish-brown and whitish reflecting spots and a black dorsal 
stripe; anal segment red, anteriorly with whitish-grey and sometimes also with blackish reflections ; 
hind borders of the third and anal segments with a row of rather strong macrochete ; hypopygium 
moderately prominent, red, with some whitish reflections. Legs black; front femora greyish outwardly, 
the knees rufous; intermediate tibie (Tab. VII. fig. 3) piceous, on the outer side with two weak 
bristles, on the inner side with short hairs and a single bristle; hind tibie (Tab. VII. fig. 3 a) rufous, on 
the inner side densely clothed with long hairs and a strong bristle, on the outer side with some long 
bristles. Tegule whitish. Wings greyish-hyaline ; first and third veins with a row of short bristles ; 
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 concave; posterior cross-vein nearly straight. 
Hab. Mexico, Amula in Guerrero 6000 feet (Hl. H. Smith). 
Four male specimens. 
3. Sarcophaga vagabunda, sp.n., ¢ 2. (Tab. VII. fig. 4, middle leg.) 
Cinereous ; three thoracic stripes, reflecting spots on the abdomen, palpi, and legs black; basal joints of the 
antenne rufous ; head yellowish; hypopygium red; first and third veins bristly. 
Length 5-7°5 millim. 
Head pale yellow or whitish, with brown and blackish reflections ; front in both sexes broader than the eyes, 
in the male slightly prominent ; frontal band blackish, broad; lower part of the cheeks equalling one- 
third or nearly one-half of the longitudinal diameter of the eyes. Antenne inserted above the median 
line of the eyes ; basal joints, or at least the second joint, rufous; third joint black, three times as long 
as the second. fProboscis and palpi black. Thorax, scutellum, and abdomen cinereous; thorax with 
distinct dorso-central bristles and with three blackish stripes, the median stripe prolonged over the 
scutellum and usually with a dark line on each side before the transverse suture. Abdomen elliptical 
(d) or ovate (@ ), with blackish reflecting spots, which often appear in three rows, the median forming 
a dorsal stripe; hind border of the third segment with two dorsal and on each side two lateral macro- 
chaste ; hind border of the anal segment with a continuous row of macrochete ; hypopygium large, pale 
red, its first segment often greyish-white, sometimes with dark reflections. Legs black ; tibize not hairy, 
the middle pair with two bristles on the outer side. Tegule white or slightly yellowish. Wings greyish- 
hyaline, usually with a small costal spine; the first and third veins with a row of short bristles ; small 
cross-vein under the end of the first vein and on the middle of the discal cell ; apical cross-vein concave ; 
posterior cross-vein straight (in the female specimen slightly curved). 
Hab. Mexico, Mexico city, Cuernavaca in Morelos, Amula 6000 feet and Xucu- 
manatlan 7000 feet, both in Guerrero, Atoyac in Vera Cruz (H. H. Smith), Orizaba 
(HH. H, Smith and F. D. Godman). 
Several males and a single female. 
