NO. 1935. MU8C0ID FLIES FROM SOUTH AMERICA— TOWNSEND. 351 



stopping a third of way behind suture, the outer one interrupted at 

 suture and attenuated posteriorly. Scutellum thinly silvery-white 

 on posterior half, showing thickly so in some lights, the apex of 

 metanotum below it also silvery-white pollinose. First abdominal 

 segment wholly soft black above and below; second segment wholly 

 densely silvery-white pollinose like face above and below, excepting 

 only the very narrow hind margin of soft black which becomes 

 attenuated laterally to continue again on venter; third segment 

 black, with four large densely silvery-white pollinose spots reaching 

 a httle more than two-thirds of way to hind margin, the lateral spot 

 on each side continued on venter in an arm of silvery-white on 

 anterior margin broadening at end; anal segment black, with four 

 very small silvery-white pollinose spots on anterior margin, the 

 lateral ones not continued on venter. Femora and tibiae blackish, 

 except distal half of front tibiae which is thickly golden short-hairy 

 on the inside. Hind tarsi brownish, but with golden short thick 

 hairs on inside; other tarsi yellowish. Wings wholly and evenly 

 infuscated with deep tawny-blackish, only the costal cells lighter. 

 Both pairs of tegulse pearly-black throughout. 

 Type.—Csit. No. 15193, U.S.N.M. 



J-ENIMYIA PUNCTATA, new species. 



Length of body, 13 mm. ; of wing, 12 mm. One male with preced- 

 ing specimens, September 15, 1911. Differs from preceding species 

 in following points: Face and cheeks densely buff-golden pollinose. 

 Palpi light brownish-yellow. Parafrontals dusky-olive and brassy 

 marmorate. Occiput ashy, with brassy-gray pile. Pollen of pleurae, 

 sternum and front coxae more cinereous, hardly brassy. Scutellum 

 wholly soft black; abdomen same, with four small silvery- white 

 spots on front margin of second, third, and fourth segments, those of 

 second segment smallest and tliose of third segment largest. The 

 second and third segments show some silvery narrowly on anterior 

 margin on venter, that of second segment wider. The middle and 

 front tibiae are brownish-yellow, also tips of front femora and inside 

 of tips of middle ones; tarsi yellow to rust-yellow. The basal and 

 costal cells of wing are lighter. 



Type.— C&t. No. 15194, U.S.N.M. 



BLEPHARIPEZA MONTAGNA, new species. 



Length of body, 12 mm. ; of wing, 1 1 .5 mm. One female, Uruhuasi 

 bridge, canyon of the Rio San Gaban, montaiia of southern Peru, 

 about 6,500 to 7,000 feet, February 15, 1910, on flowers of Bac- 

 charis, sp. 



Head silvery-white pollinose, including facial plate and occiput. 

 Parafrontals with blackish ground color which gives them a dark 

 shade in some lights. Frontalia brown, antennae dark brown. Palpi 



