PERLIDtE. — NEMOURA. 143 



Sp. 10. pallicornis. Nigro-picea, nitida, antennis elongatis joedibusque paUidis, 

 alis subfusco-cinereis, nervis fuscis. (Long. corp. 2§ lin. ; Exp. Alar. 9^1in.) 



Ne. pallicornis. Steph. Catal. 315. No. 3554. 



Shining, pitchy-black: antennae elongate, slender, pale; legs pale; wings 



somewhat of a fuscous ash, with fuscous nervures. 



Also found in the vicinity of Hertford, in June. 



Sp. 11. nitida. Piceo-fusca, nitida, antennis gracilibus elongatis nigris, pedibus 

 pallido-rujis ; alls angustis hyalinis, nervis pallidis. (Long. corp. 24 — 3 lin. ; 

 Exp. Alar. 94 lin.) 



Ne. nitida. Steph. Catal. 315. No. 3555. 



Shining, pitchy-brown : antennae long and slender, black ; legs pale red ; 



wings narrow, hyaline, nervures pale. 

 The legs are sometimes pitchy towards the apex of the femora and of the 



tarsi. 



Not uncommon, in the vicinity of Hertford and at Ripley, at the 

 end of June and beginning of July. 



Sp. 12. Carabrica. Piceo-nigra, collare rugoso, mesothoracis lateribus pedibusque 



rufescentibus, alis fuscescentibus, nervis brunneis. (Long. corp. 2 lin.; Exp. 



Alar. 9| lin.) 

 Ne. Cambrica. Steph. Nomen. 2d edit. col. 118. 

 Pitchy-black, shining : collar rugged ; sides of the niesothorax reddish ; legs 



pale reddish; wings long, narrow, fuscescent, with strong dark brown 



nervures ; antennae short, black. 



Found at South Wales, near Swansea, in October, by 

 L. W. Dillwyn, Esq. 



Sp. 13. sulcicollis. Nigra, nitida, pedibus piceis, collare rugoso, sulco dorsali, 

 alis fuscescentibus, nervis saturatioribus. (Long. corp. 25 lin. ; Exp. Alar. 

 Qi—ll lin.) 



Ne. sulcicollis. Steph. Catal. 315. No. 3556. 



Deep shining black : collar rugged, with a dorsal channel ; legs pitchy; tibiae 



sometimes pale reddish ; antennae short, black ; wings narrow, fuscescent, 



with darker nervures, and sometimes the transverse ones towards the apex 



bordered with fuscous, and forming a dark %• 



Also found near Hertford and Ripley, in June and July, not 



uncommonly. 



Sp. 14. fumosa. Aira, nitidissima, abdomine tibiisque rufo-piceis, alis fusces- 

 centibus nervis saturatioribus. (Long. corp. li — l|lin. ; Exp. Alar. 5 — ej 

 lin.) 



Ne. fumosa. Steph. Catal. 315. No. 3557. 



