SAKCOPHAGA AND ALIJES 151 



see in the single specimen; its distal segment bears at 

 the tip a pair of blunt, diverging points, between 

 which is a third one of about the same shape and size. 



Legs black, middle ones missing in the specimen ; 

 hind tibia not villous. 



Wings subhyaline ; first and third veins with long 

 bristles; costal spines strong; third costal segment a 

 little shorter than the fifth ; apical cell rather narrow- 

 ly open, or closed in the margin, or even short-petio- 

 late. Fourth vein ending consideraljly before the 

 apex. Hind crossvein rather erect, a little nearer to 

 the bend than to the small crossvein. 



Female. Front .314 of the head (average of 

 three, — .306, .314, .321), with the usual orbital bris- 

 tles, outer vertical rather weak. Genital segment red, 

 orifice roundish, fringed with small black hairs. Mid- 

 dle tibia with two bristles on outer front side. Scutel- 

 lum with a pair of small, diverging apicals. 



Length 6 to 7 mm. 



One male and three females: one male and one 

 female are from San Rafael, Vera Cruz, Mex. (C. 

 H. T. Townsend), correctly identified by Mr. Co- 

 quillett in the U. S. National Museum collection; two 

 females from Brownsville, Tex., in the University of 

 Kansas collection. 



Type. — In Imperial Museum, Vienna. 



No. 70. Sarcophag"a ampulla n. sp. 



Male. Front .208 of head; parafrontals and 

 para facials silvery, the latter with a row of conspicu- 

 ous hairs, rather coarse below; frontal stripe black; 

 frontal bristles about 8, the lower ones diverging 

 moderately and reaching the base of the second an- 

 tennal joint; ocellar bristles strong; outer vertical 

 bristles distinctly developed; antennie black, second 

 joint elongated so that it is more than half the length 

 of the third, the latter, however, reaches four-fifths 

 of the way to the vibrissa?, which are at the oral mar- 

 gin; bucca one-fifth the eyeheight, clothed mostly 

 with pale yellow hairs, many of which are before the 



