194 DIPTERA. 
With the exception of some whitish reflections on the head and on the front borders of the second and third 
abdominal segments, unicolorous black. Front in the male narrower, in the female broader, than the 
eyes ; frontal band black, with grey reflections ; frontal bristles descending as far as the end of the second 
antennal joint; vibrissa surmounted by several shorter bristles. Antenne black, nearly as long as the 
face ; third joint four or five times as long as the second; arista thickened to the proximal half. Proboscis 
and palpi black, the palpi slightly thickened towards the tip. Abdomen conical ; on the front borders of 
the second and third segments is a narrow white reflection. Legs black ; hind tibie with some long 
bristles ; foot-claws and pulvilli a little elongate in the male. Tegule yellowish-white. Wings greyish- 
hyaline ; small cross-vein on the middle of the discal cell; curvature of the fourth vein rounded ; apical 
and posterior cross-veins slightly concave. 
Hab. Mexico, Teapa in Tabasco (H. H. Smith). 
Two male and two female specimens. 
15. Anisia candicans, sp.n., 2. 
Black; head silvery-white; thorax grey, with obsolete stripes; front borders of the second and following 
segments whitish. 
Length 5°5 millim. 
Front as broad as the eyes; frontal band black; frontal bristles descending as far as the end of the second 
antennal joint ; occiput grey. Antenne black, much shorter than the face; third joint four times as long 
as the second; arista thickened not quite to the middle. Proboscis and palpi black. Thorax black, 
covered with a whitish tomentum, which is most intense on the sides (sometimes the thoracic dorsum 
appears black, with a white median stripe); scutellum blackish. Abdomen conical, black ; second and 
' following segments with whitish front borders, which are interrupted by a black dorsal stripe ; on the 
anal segment the white coloration is less conspicuous ; discal and marginal macrocheete present, the discal 
ones shorter than the others. Legs black; hind tibie with a row of short bristles and a longer one below 
the middle; foot-claws and pulvilli very short. Tegule white. Wings greyish-hyaline ; small cross-vein 
on the middle of the discal cell; curvature of the fourth vein with a blunt angle; apical and posterior 
cross-veins oblique and straight. 
Hab. Mexico, Cuernavaca in Morelos (H. H. Smith). 
A single female specimen. 
16. Anisia congerens, sp.n., ¢ ?. 
Thorax cinereous, with black stripes; abdomen black, with whitish front borders to the segments; frontal 
band, antenne, palpi, and legs black. 
Length 3°75 millim. 
Head whitish ; front in the male narrower, in the female broader, than the eyes; frontal band as broad 
as the lateral portions ; frontal bristles descending as far as the end of the second antennal joint. Antenne 
shorter than the face; third joint three times as long as the second ; arista thickened to the proximal half. 
Proboscis and palpi black. Thorax and scutellum greyish-cinereous ; thoracic dorsum before the trans- 
verse suture with four black stripes, the outer stripes broader than the others; behind the suture a more 
general blackish coloration ; base of the scutellum black. Abdomen conical, shining black; second and 
following segments with white front borders, and with short discal and marginal macrochete. Front 
tibie with a row of short bristles ; middle tibiee with some long bristles; hind. tibize with several bristles 
of unequal length. ‘Tegule yellowish-grey (¢) or whitish (2). Wings of the male with a dilute 
brownish tint, of the female greyish-hyaline ; small cross-vein on the middle of the discal cell; apical 
cross-vein nearly straight; posterior cross-vein slightly concave. 
Hab. Mexico, Chilpancingo 4600 feet, Amula 6000 feet, both in Guerrero (H. H. 
Smith). . 
A male and a female specimen. 
