122 C. H. TYLER TOWNSEND. 



well developed, elongate, reaching tip of proboscis, club-shaped, 

 thickened on apical portion. Thorax as wide as head ; scutelluni 

 with an apical divergent pair of macrochtette reaching about middle 

 of second abdominal segment, and two lateral pairs. Abdomen not 

 wider than thorax, elongate-oval, strongly vaulted, first segment not 

 shortened ; niacrochsetaj discal and marginal. Legs elongate, bristly; 

 claws and pulvilli ( % ?J moderately elongate. Wings much longer 

 than abdomen, without costal spine, third vein not spined at base ; 

 apical cell ending just befoi'e tip of wing, closed in border; fourth 

 vein curved or slightly angular at bend, without stump or wiinkle, 

 apical cross-vein a little concave ; hind cross-vein more or less sinuate, 

 nearer to bend of fourth vein. Type, E. illinoiensis n. sp. 



Eiiinyothyria illinoiensis ii. sp. % (?).— Eyes and frontal vitta light 

 i)rown ; sides of front, face and cheeks silvery gray; anterior pair of ocellar 

 hristles only a little stronger than posterior pair, directed forward ; antennte 

 brownish yellow, third joint dark brown distally. arista brownish ; proboscis 

 yellowish brown, palpi yellowish : occipnt cinereous above, silvery gray below, 

 sparsely gray-hairy below. Thorax silvery gray, with a median pair of narrow 

 brown vittfe running beyond the transverse suture, and a heavier vitta outside 

 which is interrupted at the suture; scutelluni very pale luteous, silvery. Ab- 

 domen pale brownish yellow, more or less silvery; first segment with several 

 lateral macrochseta? and a median marginal pair, second with a lateral pair and 

 a median marginal and discal pair, third with a discal pair and about eight mar- 

 ginal, anal with weaker discal and marginal ones. Legs pale brownish yellow, 

 except tarsi which are black, femora and tibife somewhat bristly, and femora 

 slightly silvery; pulvilli dirty whitish. Wings grayish hyaline, very slightly 

 tawny toward base ; tegul^p nearly white, halteres yellowish white. Length of 

 body 6 mm. ; of wing 6^ mm. 



Described from one specimen ; Cai'linville, 111. (Chas. Robertson) 

 The abdomen of this specimen is considerably bent downward, which 

 makes the body measurement given above somewhat less than the 

 actual measurement. 



SARCOC;i.ISTA n. gen. 

 Moderately small cinereous species. Belongs in Phytoinje. Head 

 very irregularly semicircular in profile ; front considerably project- 

 ing, about one-third width of head at vertex in $ , widening before,, 

 face nearly twice as wide; frontal bristles descending a little below 

 base of antennre, in a single row, vertical bristles strongest and di- 

 rected backward, next bristle directed outward and a little backward, 

 rest more or less inward ; two orbital bristles in 9 . Face consider- 

 ably receding, epistoma not prominent ; facial depression fully one- 

 half width of face, wider below, oval in outline, shallow ; facial 



