404 COQUILLETT 



few scattered bristles, seventh antennal joint of female nearly three 

 times as long as broad ; thorax bearing many rather short whitish 

 hairs on its dorsum, scutellum wholly black, yellow spots on sides of 

 metanotum small or wanting ; abdomen thinly covered with short, 

 pale yellowish hairs, black, the venter, at least basally, and sometimes 

 the hind margins of some of the segments, yellow ; ventral portion of 

 eighth abdominal segment bearing many pale yellowish hairs, claspers 

 nearly twice as long as wide, the lower outer angle considerably pro- 

 longed beyond the upper one, each clasper bearing near the apex of 

 the inner side a pair of flattened processes, the anterior one nearly 

 oval, the other subconical, its apex furnished with a brown, corneous 

 tooth ; upper pair of sheaths of ovipositor tapering for three-fourths of 

 their length ; discal cell less than twice as long as wide ; femora 

 and tibiae of female yellow, in the male brown with bases of femora 

 yellow. Length of male, 12 mm. ; of female, 15 mm. A specimen 

 of each sex. 



Habitat. — Berg Bay, June 10; Muir Inlet, Alaska, June 11. 



Type. — Cat. no. 5206, U. S. National Museum. 



Tipula gelida sp. no v. 



Differs from the description of the male of strigata only as follows : 

 Front and occiput destitute of a median black vitta, rostrum black, 

 third joint of antennae wholly black, antennae not reaching base of ab- 

 domen, the third joint slightl}' more than twice as long as wide ; the 

 three mesonotal vittae are black, the median one divided in the middle 

 by a gray line; scutellum and metanotum not marked with yellow; 

 abdomen black, opaque, gray pruinose, the hind margins of the seg- 

 ments, except the first, and a lateral vitta, yellow, sparsely covered 

 with very short yellowish hairs; hypopygium small, black, gray 

 pruinose, ventral portion of eighth abdominal segment sparsely yel- 

 lowish pubescent, claspers nearly orbicular, each bearing near the 

 apex of the inner side an oval, inwardly curving process which is 

 nearly as long as the clasper ; dorsal piece of the hypopygium desti- 

 tute of processes on its hind margin ; whitish spots of wings indis- 

 tinct, discal cell less than twice as long as broad. Length 14 mm. 

 Six male specimens captured June 4. 



Habitat. — Metlakahtla, Alaska. 



Type. — Cat. no. 5207, U. S. National Museum. 



Tipula cineracea sp, nov. 



Equals the description of strigata, with these exceptions : An- 

 tennal joints four to eleven in the male strongly constricted in the 



