[397] DIPTERA II 



scattered hairs in the apical portion, most numerous in the costo-apical 

 half of the first posterior cell ; third vein greatly dilated, united on at 

 least its apical half with the first, its apex considerably beyond middle 

 of wing, petiole of second posterior cell longer than the small cross- 

 vein. Length i mm. Two females, collected June 26. 



Habitat. Virgin Bay, Prince William Sound, Alaska. 



Type. Cat. no. 5197, U. S. National Museum. 



Ceratopogon cilipes sp. nov. 



Black, legs brown, knobs of halteres yellow, hairs mostly light 

 colored, those on basal half of antennae black ; mesonotum polished, 

 the abdomen less so ; femora rather robust, destitute of spinous bristles, 

 front and middle tibiae outwardly ciliate with suberect, scale-like hairs, 

 first two joints of hind tarsi subequal in length, the last joint not 

 spinose below, the claws small and of an equal size; wings wholly 

 covered with hairs, hyaline, the costal cell brownish, third vein united 

 to the first except for a short distance beyond its middle, its apex near 

 middle of length of wing, petiole of second posterior cell shorter than 

 the small crossvein. Length 1.5 mm. Two female specimens, col- 

 lected June 12. 



Habitat. Muir Inlet, Glacier Bay, Alaska. 



Type. Cat. no. 5198, U. S. National Museum. 



Family PSYCHODIDJB. 

 Psychoda pacifica Kincaid. 

 Psychoda pacifica KINCAID, Entomological News, p. 143, 1897. 



Lowe Inlet, British Columbia : Two specimens, collected June 3. 

 Originally described from Washington, but also reported as extending 

 from Alaska to northern California. 



Pericoma bipunctata Kincaid. 



Pericoma bipunctata KINCAID, Entomological News, p. 34, 1899. 



Berg Bay, June 10 ; Yakutat, Alaska, June 21 : Thirteen specimens. 

 Originally described from Washington and California. This and the 

 preceding species were identified by Mr. Kincaid, from a comparison 

 with the type specimens. 



Family TIPULIIX&. 

 Dicranomyia venusta Bergroth. 

 Dicranomyia venusta BERGROTH, Wiener Entom. Zeitung, p. 193, 1888. 



Yakutat, Alaska : A single specimen, collected June 21. This spe- 

 cies was originally described from Alaska. 



