long's second expedition. 245 



ous J venter blackish, segments dull yellowish on their posterior 

 and lateral margins ; abdomen slender at base, gradually dilating 

 behind. 



9 Length rather more than one-fifth of an inch. 



The wing nervures are arranged as in P. haumhau^ri Meig. 

 It is probably closely allied to the carhonaria of Bosc, which, 

 however, is described to be altogether of the same form as the 

 tipuloides Bosc, to have a black thorax and obscure feet ; whereas 

 ours is a much more slender insect than the tipuloides as repre- 

 sented by Coquebert. 



SCIOPHILA Hgg. 



1. S. PALLIPES. — Brownish-black, with gray short hairs ; an- 

 tennas and feet whitish. 



Inhabits North-west Territory. 



Antennae (at least the two basal joints) yellowish-white ; tho- 

 rax with numerous scattered, short, gray hairs, which are fewer 

 in number and more prominent behind; wings dusky; poisers 

 elongated, yellow- white, at base dusky ; feet yellow-white ; abdo- 

 men with numerous prostrate, short, gray hairs. 



% Length to tip of the wings nearly one-fifth of an inch. 



The nervures of the wings correspond with those of S. hirta 

 Hgg. 



2. S. LiTTORALis. — Pale yellowish ; thorax trilineate ; abdo- 

 men fasciate with fuscous ; feet dusky at tip. 



Inhabits North-west Territory. 



Vertex and a line extending down between the antennae upon 

 the hypostoma, blackish ; antennae dusky, two basal [362] joints 

 yellowish ; thorax with a double, brown, middle line, attenuated 

 and abbreviated behind, and a brown approximate line on each 

 side abbreviated before ; a small fascicle of hairs beneath each 

 wing, and a dusky spot over the insertion of each foot; wings 

 immaculate ; poisers yellowish-white ; abdomen slender at base, 

 gradually dilating towards the tip, dull-yellowish, hairy ; inci- 

 sures and tip dusky ; feet dull-yellowish, towards their tips 

 dusky. 



Length of the body three-twentieths of an inch. 



I obtained this species on the rocky coast of Lake Superior, in 

 a thicket of small bushes. The nervures of the wings corres- 



L 



