OF EXTBA-EUUOPEAN TRICHOPTERA.. 10& 



secund£e, altera quartse) limboque apicali intus dentato pallide brun- 

 iieis : posticDC hyalinrc ( J )• 

 Long. Corp. 4A lin. ( = 9 mill.); exp. alar. 12g lin. (=26 mill.). 

 Hub. Terra Nova {in Mus. auct.). 



Head and thorax reddish testaceous, with sparse reddish hairs ; antennae 

 testaceous, with fuscous rings ; palpi yellowish ; eyes black. Legs 

 yellow, tibiae and tarsi with short black spines, a black point on each 

 trochanter, internally. Abdomen fuscous above, ochreous beneath ; 

 margin of last dorsal segment regularly concave in front, produced at 

 the sides into a triangular tooth, the upper edge of which is excised 

 and beset with numerous very short black spiny hairs; app. sup. 

 small, yellow, subquadrate, truncate, fringed with yellow hairs; app. 

 intermed. long, in tlie form of two closely applied straight spines, the 

 tips of which are suddenly curved downwards ; app. inf. directed up- 

 wards, projecting beyond the lateral production of the segment, yellow, 

 truncate at the apex, and fringed externally with long yellow hairs. 

 Anterior wings short and broad, much dilated at the apex ; the apical 

 margin oblique, pale testaceous, the membrane finely rugulose, nearly 

 nude, and shining ; a cloud in the cellula thyridii extending also above 

 it, and there enclosing a white dot at the thyridium ; two irregular 

 spots, one placed at the base of the second, the other in a similar po- 

 sition in the fourth, apical cells, and a broad apical margin which is 

 dentate internally (being produced into an acute triangle along each 

 aj)ical cell) pale brown ; ramus clavalis margined beneath with brown ; 

 veins testaceous, with short concolorous hairs ; first apical cell longer 

 than the second, but not inordinately so. Posterior wings hyaline, 

 whitish, slightly yellowish at the apex ; veins pale yellowish ; fifth 

 apical cell scarcely reaching the anastomosis. (PI. II. fig. 2.) 

 I liave two malps, taken at St. Jolin's, Newfoundland, by Mr. 

 Q-. F. Matbew. In the form of tbe wings the species approaches 

 S. duhius, 2)unctatissimus, &c. ; but the first apical cell in the an- 

 terior wiug is much shorter than in those species. 



PiATTPiiYiiAX, nov. gen. 



Characteres ut in Stenophylaci (sensu stricto), sed calcarium 

 formula 1, 2, 2. 



Agreeing in almost every respect Avith the typical forms of 

 Stenophylax (e. g. hieroglyphicus, striatus, &c.), but with only 

 1, 2, 2 spurs instead of 1, 3, 4. 



I form this genus for the reception of some insects that have 

 been placed in Enoecyla on account of their spur-formida being 

 identical (i. e. so far as the winged male of Enoecy la ia concerned), 

 but which are evidently very closely allied io. Stenopliylax aud 



