174 MANDIBULATA. TRICHOFTERA. 



Sp. 8. fulvipes. Niger, abdominis segmentomm marginihus pallidis, iibiis 

 tarsisque po.Uide fulvis, alis anticis brunneis, obscure ochraceo nebulosis. 

 (Long, coi-p. 5— a lin.; Exp. Alar. 13—14 lin.) 



Phi. obscurus. Sleph. Catal. 318. No. 3607.— Hyd. fulvipes. Curtis, v. xiii. 

 pi. 601. 



Brown-black : head and neck clothed with griseous hairs ; margins of the 

 abdominal segments pale or ochreous ; wings pale tawny-brown, obscurely 

 freckled with ochreous, nervures dark, with a small dot on the costa at the 

 apex of the first furcate one ; posterior wings paler, not freckled, and 

 slightly iridescent ; legs tawny, femora and sometimes the tibiae dusky ; 

 antennae tawny, annulated with brown. 



Not common : taken in July near London ; also at Carlisle, and 

 in Devonshire and in Dorsetshire. 



Sp. 9. angustata. Fusco-griseus, abdomine nigricante suhtus virescente, alis 

 subhyalinis, anticis ochraceis, liolosericeis, iridescentibus, nebulis 2-bus sub- 

 ochraceis. (Long. corp. 2§ lin. ; Exp. Alar. 6i — 7 lin.) 



Hyd. angustata. Curtis, fol. 601. — Hyd. angustata. Steph. Nomen. 2d edit. 

 Appendix. 



"Antennae shorter than the wings, annulated; head and thorax griseous; 

 abdomen slate-colour, beneath silky-green or whitish ; wings subdiaphanous, 

 fuscous; superior (anterior) ochreous, with silky yellowish pvibescence, and 

 slightly iridescent, a large obscure ochreous spot on the costa towards the 

 apex, and another on the interior margin beyond the middle." — Curtis, I. c. 



This insect appears to unite the present genus with Cyrnus, but the anterior 

 tibiae are not spurred in the middle : it differs considerably in habit from 

 Hydropsyche. 



I possess a pair of these insects, which answer to the above 

 definition of Mr. Curtis : they were found in July in the garden at 

 the Hermitage : it occurs, according to Mr. Curtis, in Loch Derg. 



Genus XIV.— CYRNUS mihi. 



Antenna; stoutish, considerably shorter than the wings, but as long as, or longer 

 than, the body, the basal joint slightly thickened : pa/pi slender, maxillary 

 ones long, the terminal joint filiform and transversely wrinkled: head rather 

 large, pilose : eyes globose : thorax subovate : ivings small ; anterior narrow, 

 elongate-elliptic, rounded at the apex, narrowed at the base, the hinder 

 margin with four bifid nervures, the longitudinal nervures each united by a 

 transverse one, forming three elongate discoidal areolets, and two triangular 

 ones towards the apex ; posterior small, ovate, slightly folded, the costal 

 portion divided by a row of transverse nervures : legs stoutish, and rather 

 long : anterior tibive with a pair of shortish spurs at the apex, and a single 



