8 PEOCEEDINGS OF THE NATIONAL. MUSEUM vol. 81 



tions in the group are well known; he places it as a peculiar form 

 of the above subfamily. 



Head broad and short (flattened from before) ; frons wider than 

 one eye, with parallel sides, flat; face receding below antennae, 

 slightly protruding at epistoma, without antennal grooves ; antennae 

 with both basal joints very short, third oval, shorter than face, with 

 arista microscopically pubescent. Proboscis short, palpi of ordinary 

 size, flat. Cheek a little more than half the eye height. Postvertical 

 bristles divergent ; other head bristles are inner and outer verticals ; 

 two fronto-orbitals, reclinate, the anterior halfway between inner 

 vertical and lunule; and the usual ocellars, which are of good size. 

 Ocellar triangle small. 



Thorax narrower anteriorly than the head, almost bare of small 

 hair, with the following bristles: Acrostichal, 1,4; dorsocentral, 1,4; 

 prothoracic, ; humeral, 1 ; notopleural, 2 ; supraalar, 2 ; intraalar, ; 

 postalar, 2 (the outer might be taken for a low supraalar, and the 

 inner for a high one) ; mesopleural, 2 small on hind edge; sterno- 

 pleural, 1 ; scutellars, 2 pairs. Scutellum swollen, polished. 



Abdomen broader than thorax, sixth joint in female (base of ovi- 

 positor) broad, flat, shining. 



Legs not elongated, without noticeable bristles, except a double 

 posterodorsal and a single longer posteroventral row on anterior 

 femora, and a row of small ones on middle of anterior side of mid 

 femora. 



Wings (pi. 1, fig. 1) with striking pattern somewhat resembling 

 that of the trypetid Ceratitis capitata Wiedemann. Costa without 

 a break ; costal cell very wide, the auxiliary vein sinuous, ending far 

 before tip of first vein; first vein long, hairy above on apical half; 

 second and third veins converging beyond small cross vein, then 

 diverging; anal cell with a long acute extension reaching two-thirds 

 of the way to the wing margin, and narrowed at its base. 



Genotype. — Dyscrasis hendeli,) new species. 



DYSCKASIS HENDELI, new species 



Male. — Frons gray pollinose, its lower half or less shining brown ; 

 ocellar triangle also pollinose. Face except immediately below the 

 antennae white in ground color with very thin white pollen; cheeks 

 and lower back of head the same but not quite so white. Thorax 

 with two pairs of large polished black spots, above the notopleural 

 area and wing, one before and the other behind the suture; these 

 spots show a little velvety in some lights on their outer edge. Scu- 

 tellum swollen and polished black. Kemainder of dorsal region 

 with thin gray pollen, except a small, opaque, black semicircle just 

 before the scutellum and traces of dark spots at the bases of the 



