64 MANDIBULATA. NEUROFTERA. 



Sp. 4. costalis. Pallide casianea, thoracis lateribus abdominis apice et pedibus 

 ochraceis, alis hyalinis, casta Jiavescente, (Exp. Alar. 13§ lin. ; Long. corp. 

 5lin.; 1. set. 9 lin.) 



Ba. costalis. Curtis, Phil. Mag. 1834. — Steph. Nomen. 2d edit. Appendix.- 



Slender, pale chestnut, with the sides of the thorax, tip of the abdomen, and 

 the legs ochreous ; joints of the tarsi fuscous at their articulations ; filaments 

 very long, pale yellow, each joint tipped with black; whigs transparent, 

 anterior with the costa dirty-yellowish. 



Also found in June, near Hertford. 



Sp. 5. subfusca. Obscure castanea, abdomine fuscescente, segmentorum margi- 

 nibus satia-atioribus, alis subjlavescentibus casta concalore stigmata subochracsd. 

 (Exp. Alar. 11 lin.; Long. corp. 4^ lin.; 1. set. 7 lin.) 



Ba. subfusca. Steph. Catal. 306. No. 3390. 



Dull chestnut: eyes and abdomen brownish, the latter with the margins of 

 the segments fuscous; legs dull ochreous; filaments dusky, each joint with 

 a darker spot at the tip ; wings faintly suffused with yellowish, the costa 

 towards the apex darker ; nervures luteous. 



Found in June, at Hertford. 



Sp.6.elegans. Ochracea-Jlava, abdomine pallide subcastaneo, tarsarum articulorum 

 apicihus niger alis subjlavescentibus, casta saturatiore. (Exp. Alar. ISJ lin, ; 

 Long. corp. 4§ lin.; 1. set. 8 lin.) 



Ba. flavescens. Steph. Catal. 306. No. 3391.— Ba. elegans. Curtis, Phil. Mag.. 

 1834. 



Bright ochreous yellow : abdomen palish chestnut ; filaments pale, the tips of 

 the joints fuscous ; legs very pale ochreous; the tarsi with the apex of each 

 joint blackish ; wings iridescent, pale ochreous-yellow, costa darker, 

 especially towards the apex, forming a stigmoid spot. 



Taken within the metropolitan district. 



Sp. 7. semicolorata. Plate xxix. J". 2. — Fulvescente-ochracea, abdominis seg- 

 mentorum marginibus brunneis, alis Jlavescente-brunneis, anticis apice hyalino. 

 (Exp. Alar. 11 — 12 lin. ; Long. corp. 3— 3i lin.; 1. set. 13 lin.) 



Ba. basalis. Steph. Catal. 306. No. 3392. — Ba. semicolorata. Curtis, Phil. 

 Mag. 1834. 



Tawny-ochreous : thorax sometimes varied with a darker hue; abdomen 

 paler, the edges of its segments brown or dusky ; legs pale ; knees and tarsi 

 brown ; filaments long and slender, pale, with the tips of the joints darker ; 

 wings pale brownish-yellow, the anterior with the tips transparent and 

 colourless ; nervures aU yellowish-brown. 



Found in the neighbourhood of liOndon : not very common. 



