AQUATIC INSECTS IN NEW YORK STATE 463 
between all the branches 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.californicus in general 
appearance, but differs 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 
©. californicus in color and markings; the front’ pair 
with cross veins between all branches of radius, about seven, 
and radial sector divided into five 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 
1866 Chauliodes disjunetus Walker, Lord’s Naturalist in 
Vancouver isl. 2:334 
1869 Chauliodes disjunectus McLachlan, Ann. and Mag. Nat. 
Hist. (4), 4:40 
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 
