612 PROCEEDINGS F THE NA TIONA L MUSEUM. vol. xxiii. 



Family SCATOPHAGID.E. 



SCATOPHAGA NUBIFERA, new species. 



Head black, face 3'ellow, the cheeks, face, and sides of front gray 

 pruinose, occiput brownish gray pruinose. a broad vertical dark brown 

 stripe on the upper half, a velvet l;>lack circle around the ocelli, fron- 

 tal vitta deep velvety brownish red; antennae black, the lirst two joints 

 and base of the third reddish yellow, arista bare, proboscis blackish, 

 palpi yellow; body black, brownish pruinose, the hairs mostly yellow- 

 ish, rather short and sparse, the dorsocentral bristles in front of the 

 suture noticeably longer and stouter than the adjacent hairs, ptero- 

 pleura hairy; hypop3"gium yellowish; coxte and femora black, apices 

 of the latter, the tibia? and tarsi reddish yellow, femora destitute of 

 bristles, the hairs chiefly vellow% rather short and sparse on the mid- 

 dle and hind ones, front tibire destitute of bristles, middle tibia? each 

 bearing one on the outer and two on the inner side below the middle, 

 hind tibite each with two bristles on the inner side below the middle 

 and two rows of about four each on the outer side, besides those at the 

 tip; wings grayish, small and hind cross veins clouded with brown; 

 length, 7 mm. A male specimen, collected July 13, 1S82, by Mr. John 

 Murdock. 



JI(/h/'taf. — Point Barrow, Alaska. 



Ti/jje.— Cat. No. 5195, U.S.N.M. 



SCATOPHAGA CRINITA, new species. 



Dift'ers from the above description of nuhifera onl}" as follows: Occi- 

 put bluish gray pruinose, no velvet black circle around the ocelli, frontal 

 vitta reddish brown, anteniKv black, extreme apex of second joint red- 

 dish brown, body bluish gray pruinose, hairs of mesonotum rather 

 long, black, bristle like, those of the abdomen unusual!}^ long, crinkled, 

 reddish yeljow, dorsocentral bristles not stouter than uianv of the 

 adjacent hairs, pteropleura bare, hypopygium and entire legs black, 

 hairs of legs unusually long and rather abundant, middle tibise each 

 bearing one or two stout bristles and several bristly hairs on the outer 

 side, hind tibiiv destitute of bristles, wings grayish hyaline, cross veins 

 not bordered with brown; length, 10 mm. A male specimen, collected 

 in July or August, 1897, by Mr. Barrett-Hamilton. 



Hahitat. — Bering Island. 



Ty2)e.—Cai. No. 5196, U.8.N.M. 



HEXAMITOCERA FLAVIDA, new species. 



Yellow, an ocellar dot and hind margins of the first three abdominal 

 segments, black, bristles and most of the hairs also black: front much 

 narrowed anteriorly, at the lower end less than half as wide as either 

 eye, three pairs of fronto-orbitals, antennie four-tifths as long as the face, 



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