2.58 THOMAS SAY FOUNDATION 



reaching part way across segment nine ; subanal lobes 

 broadly triangular and ending in short spine-like proc- 

 esses; ninth sternite slightly produced and evenly 

 rounded. 



Female, unknown. 



Holotype, male, March, 1923, Terrace, B. C. (Mrs. W. 

 W. Hippisley, in Cornell University Collection) ; paratype, 

 male, same locality. 



Capnia glabra Claassen. 



(Plate 48, fig. 4.) 

 1924. Cii/ i a in glabra, Claassen, Can. Ent,, 56:55. 



Length to tip of wings, male, 4 mm. Expanse, male, 

 6 mm. Length to tip of abdomen, male, 5.5 mm. 



General color brown. Head a little wider than pro- 

 thorax ; dark brown covered with fine pile ; hind ocelli 

 about three times as close to eyes as to each other. An- 

 tennae brown, composed of about thirty-three segments. 

 Prothorax brown ; wider than long ; front and hind angles 

 broadly rounded ; sides somewhat convex ; surface slightly 

 rugose. Legs brown. Wings subhyaline ; considerably 

 shorter than abdomen in the male ; Sc reaches nearly to 

 the cord; R sinuate at origin of Rs. Abdomen brown. 

 Cerei or tails long, composed of about twenty-five seg- 

 ments, the middle segment about four times as long as 

 wide, end segments about five times as long as wide. 



Male. Eighth and ninth abdominal tergites somewhat 

 depressed in the middle ; ninth tergite each side with a 

 slightly raised hairy knob ; tenth tergite bifid ; supra-anal 

 process recurved, slender, bluntly pointed and reaching 

 to the middle of the eighth tergite ; subanal lobes triangu- 

 lar, upcurved and ending in short, sharp spines ; ninth 

 sternite slightly produced and evenly rounded. 



Holotype, male, Dec. 25-26, 1922, Sunnyside Mine near 

 Plumas Co., Calif. (H. S. Barber, in the National Museum, 

 Washington, D. C.) ; paratypes, many males from the 

 same locality, Dec. 25 to Jan. 24. 



Capnia gracilaria Claassen. 



(Plate 48, fig. 5.) 

 1924. Capnia gracilaria Claassen, Can. Ent., 56:57. 



Length to tip of wings, male, 5 mm. Expanse, male, 

 8.5 mm. 



General color blackish. Head a little wider than pro- 

 thorax, black; nearly smooth; ocelli very small, the hind 

 ocelli about twice as close to eyes as to each other; an- 



