APPENDIX. 361 



tip, hardly reaching the inner edge, and margined with an 

 obsoletely whiter colour than the other parts of the wing ; 

 poisers, colour of the thorax ; coxae and thighs whitish j 

 terguin blackish-testaceous ; 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. baunihaueri, 

 Meig. It is probably closely allied to the carbonaria 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 in- 

 sect than the tipuloides as represented by Coquebert. 



SCIOPHILA, Hgg. 



l.S.pallipes. Brownish-black, with gray short hairs; 

 antennae and feet whitish. 



Inhabits North-west Territory. 



jlntennae, (at least the two basal joints,) yellowish- 

 white ; thorax 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 ; abdomen with numerous, pros- 

 trate, 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 antennse 

 upon the hypostoma, blackish ; antennse dusky, two basal 



