AQUATIC INSECTS IX NEW YORK STATE 463 



between all the brauclies of radius, about seven to 10, and 

 radial sector with five branches. Length to tip of wings 45 to 

 ■55 mm; alar expanse 70 to 85 mm. 



Ithaca N. Y. The dates on all specimens in Cornell collec- 

 tion, so far as they are dated, are in the latter half of July. 



The species is most like C. c a 1 i f o r n i c u s in general 

 appearance, bnt diffei-s in color of the hind part of the head, 

 color of the antennae and feet, and in other minor points. 



7 C. minimus n. sp. 



Body color blackish; mandibles black; head small, black, with 

 smooth raised streaks and spots behind black; prothorax black, 

 very narrow% smooth raised places almost wanting; legs and 

 feet black; antennae very slender, filiform to moniliform, black, 

 nearly equaling the body in length; wings much like those of 

 0. c a 1 i f r n i c u s in color and markings; the front pair 

 with cross veins between all branches of radius, about seven, 

 and radial sector divided into live branches. Length to tip of 

 wings about 28 to 35 mm; alar expanse 50 to 65 mm. 



San Rafael Cal. Types in Museum of Comparative Zoology. 



8 C. disjunctus Walker 



1SG6 C h a u 1 i d e s disjunctus Walker, Lord's Naturalist in 



Vancouver isl. 2:334 

 1SG9 Chauliodes disjunctus McLachlan, Ann. and Mag. Nat. 



Hist. (4), 4:4<J 



General color brown, often with cinereous hairs; mandibles 

 with black tips; head dark rufous, thickly punctured, hind part 

 with long, shining, dark streaks, some of which are not continu- 

 ous; prothorax rather long and much narrower than the meso- 

 thorax; legs lightest toward the body, varying in color from 

 blackish to yellowish brown; antennae very short, brown, pilose; 

 wings cinereous, with numerous dark brown spots and dots, 

 some of which .form incomplete transverse lines most marked 

 on front wings; that pair with some of the spots collected into 

 about five costal patches, some very dense basal spots; radial 

 sector of front wings with five to six branches; cross veins 

 between all the branches of radius, about seven to nine. Length 



