THE CANADIAN ENTOMOLOGIST. 49 



at the origin of Rs, at about mid-length of cell R and in the middle 

 of cell R2; hyaline blotches in cell R between the brown spots; a 

 hyaline band before the cord ; beyond the stigma in cell 3nd Ri 

 and in the bases of cells R2, Rs and Rb; tip of cell R2 hyaline; 

 cells Ml and 1st M2 largely hyaline. 



Abdominal tergites brownish yellow, with a very indistinct, 

 interrupted, brownish, dorsal band becoming more distinct behind; 

 a broad sublateral dark brown band on each side, lateral margins of 

 the sclerites broadly, the caudal margins narrowly and indistinctly, 

 whitish; sternites dull yellowish brown, darkest on the seventh and 

 eighth segments; in some specimens indistinctly and interruptedly 

 trivittate. 



The female is similar, with the antennal flagellum almost 

 uniformly dark brown; the median abdominal vitta distinct. 



The. maximum measurements given for the male sex are those 

 of the holotype, a large and finely coloured specimen. 



Holotype, d" , Dallas, Texas; April 7, 1906 (F. C. Pratt). 



Allotype, 9 , Kerryville, Texas; March 25, 1908 (F. C. Pratt). 



Paratypes, cf, with the allotype; April 11, 1907; 9, San 

 Augustine, Texas; March 22, 1908 (E. S. Tucker). 



The type and the paratype female are in the collection of the 

 United States National Museum; the allotype and the paratype 

 male in the collection of the author, 



Tipula aspidoptera, sp.'n. 



Male — Length 13.5-14.3 mm.; wing 13.6-15 mm. 



Female — Length 15 mm.; wing 4.9-5 mm. 



Palpi brown. Frontal prolongation of the head brownish 

 gray, nasus short, but prominent with a few scanty hairs at the 

 tip. Antennae with the three basal segments light brown, the 

 remainder of the antennae uniform dark brown. Head light gray 

 with a very narrow, indistinct median brown line. 



Pronotal scutum light gray, the scutellum largely yellow. 

 Mesonotal praescutum light gray, the median brown stripe very 

 broad, a little narrowed behind, the lateral stripes rather indistinct; 

 scutum, scutellum and postnotum light gray. Pleura with the 

 dorso-pleural membrane yellow, the pleura clear blue-gray. Hal- 

 teres long, slender, brown. Legs with the coxa? clear blue-gray; 

 trochanters gray; femora brownish yellow, only a little darkened 



