174 MANDIBULATA. TIlICHOr-TERA. 



Sp. 8. fulvipes. A^iger, abdominis segmentorum marginihtis pallidis, tibiis 

 tarsisque pallidi f'ulvis, ulis anticis brunneis, obscure ochraceo nebulosis. 

 (Long. coip. 5 — 6 lin.; Exp. Alar. 13 — 14 lin.) 



Phi. obscurus. Sleiih. 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 ; 

 antenna; tawny, annulated with brown. 



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

 in Devonshire and in Dorsetshire. 



Sji. 9. angustata. Fusco-griseus, ahdomine nigricante suhtus virescente, alts 

 suhhyalinis, anticis ochraceis, holosericeis, iridescentibus, ntbulis 2-bus sub- 

 ochraceis. (Long. corp. 2§ lin.; Exp. Alar. 62 — 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 puliescence, 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 ansv/er 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. 



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

 than, the body, the basal joint slightly thickened : palpi slender, maxillary 

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

 large, pilose : eyes globose : thorax subovate : wings 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 smal], ovate, slightly folded, the costal 

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

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



