l8 COQUILLETT [44J 



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 oi 

 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 n. 



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



Tipula gelida sp. nov. 



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 antennas wholly black, antennas not reaching base of ab- 

 domen, the third joint slightly more than twice as long as wide; the 

 three mesonotal vittas 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 



