RHYACOPHILID^E. TINODES. 163 



Ochreous : head yellowish-ochre; eyes black ; antennae brown; thorax and 

 abdomen above slate-colour, the apex of the latter ochreous ; wings some- 

 what transparent, slightly iridescent, pale fuscous, sparingly clothed with 

 short golden hairs ; nervures brownish-ochre, hinder pair more transparent, 

 and of a darker hue; legs ochreous-yellow. 



Also taken in June, near I.ondon. 



Sp. 3. xanthoceras- Fuscus, antennis pedilnisque Jlauo-ochraceis, alis hyaliiiis, 

 iridescentibus, ochraceo-fuscis , nervis saturatioribus. (Long. corp. 24 lin. ; 

 Exp. Alar. 8 lin.) 



Ti. xanthoceras. Steph. Catal. 316. No. 3567. 



Head, eyes, thorax, and abdomen fuscous, the latter darkest and pale at the 

 apex; antennae bright ochreous yellow ; wings hyaline, iridescent, especially 

 the posterior, all pale ochreous-brown, with darker nervures, the costal one 

 darkest, and very sparingly clothed with short gold-coloured hairs ; legs 

 ochreous-yellow. 



Inhabits the vicinity of London, in June and July. 



Sp. 4. luridus. Fusco-ochraceus, ardennis capite thorace supra abdomineque 

 saturate brunneis, alis (^posticis prcEsertim) iridescentibus vents Juscis, pedibus 

 ochraceo-fuivis. (Long. corp. 2^ — 3 lin. ; Exp. Alar. Sg — 9| lin.) 



Ti. picicornis. Steph. Catal. 316. No. 3568. — Ti. luridus. Phil. Mag. {Curtis) 

 V. iv. p. 216. 



Ochreous-brown : antennae, head, thorax above, and abdomen, deep reddish- 

 brown ; wings long and rather narrow, anterior slightly hyaline and 

 iridescent, somewhat fuscous, with darker nervures ; posterior more hyaline 

 and iridescent, with fuscous nervures ; legs tawny-ochre. 



Common, in June, at Hertford ; also in other places within the 

 metropolitan district. 



Sp. 5, pallipes. Ochraceo-brunneus, palpis oculisque nigris, alis latioribus 

 anticis ochraceo-fuscis, aureo pilosis, nervis fuscescentibus, posticis iridescen- 

 tibus, pedibus Jlavis. (Long. corp. 3 lin. ; Exp. Alar. S\ lin.) 



Ti. pallipes. Steph. Catal. 316. iVo.3572. 



Ochreous-brown : palpi and eyes black ; apex of abdomen ochreous ; wings 

 rather short and broad, hyaline ; anterior ochreous-brown, with fuscescent 

 nervures, densely clothed with golden hairs, transparent, with a conspicuous 

 dot towards the base within ; posterior more transparent, iridescent, with 

 fuscous nervures ; legs ochreous-yellow. 



Found in the vicinity of London, in June. 

 Sp. 6. anuulicornls, Ochraceus; palpis oculis thoracis durso, abdoviinisquc hasi 



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