DIPTERA 



•153 



covered with rather short bristles, middle tibiae each bearing a short 

 bristle at two-thirds the length of the inner-anterior side and with one 

 near middle of the outer-posterior side; hind femora ciliate with long 

 bristles on the anterior-under side and with rather short ones on the 

 basal half of the posterior-under side ; hind tibiae each bearing two short 

 bristles on lower half of the inner-anterior side, three rather long ones 

 on the outer-anterior and four on the outer-posterior sides; wings 

 hyaline, costal vein ciliate with very short spines, costal spine slightly 

 longer than the small crossvein ; calypteres yellowish white ; length 

 4.5 mm. A male specimen, collected June 8. 



Habitat. — Farragut Bay, Alaska. 



Type. — Cat. no. 5251, U. S. National Museum. 



Chirosia thinobia (Thomson). 



Scatephaga thinobia Thomson, Kongliga SvAska Fregatt. Engenies Resa, p. 

 563, 1868. 



Metlakahtla, June 4; Sitka, June 16; Saldovia, Alaska, July 21 : 

 Twelve specimens. Originally described from California. 



Fucellia fucorum (Fallen). 



Scatomyza fucorunt Fallen, Diptera Suecise, Scatomyzidae, p. 5, 18 19. 

 Fucellia fucorum ScB.i'H'EK, Fauna Austriaca, Dipt., 11, p. 15, 1864. 



Sitka, June 16; Kukak Bay, July 4; Popof Island, July 8; Sal- 

 dovia, Alaska, July 21 : Twenty-eight specimens. A European 

 species, first reported from this country about sixty years ago. It is a 

 maritime species, reported as occurring from Greenland to Florida, 

 and also in the Bering Islands. 



Family SCATOPHAGID^. 

 Scatophaga stercoraria (Linne). 



Musca stercoraria Linn6, Fauna Suecica, p. 1861, 1761. 



Scatophaga stercoraria Schiner, Fauna Austriaca, Dipt., 11, p. 18, 1864. 



Kadiak, July 20 ; Juneau, Alaska, July 25 : Ten specimens. Orig- 

 inally described from Europe, but at present almost cosmopolitan. 



Scatophaga furcata (Say). 



Pyropa furcata Say, Journal Acad. Nat. Sciences Philadelphia, p. 98, 1823. 

 Scatophaga squalida Meigen, System. Besch. Eur. Zweif. Ins., v, p. 252, 1826. 



Lowe Inlet, British Columbia, June 3 ; Metlakahtla, June 4 ; Sitka, 

 June 16; Popof Island, July ii to 14; Kadiak, Alaska, July 20: 

 Nine specimens. This species was originally described from Mis- 

 souri, but occurs over the greater portion of North America, ranging 

 Proc. Wash. Acad. Sci., November, 1900. 



