MB. 11. m'LACHLAN ok NEW SPECIES ETC. OP NETJEOPTEBA.. 235 



and apical half of tibiae dark fuscous. Abdomen yellowish ; appendices 

 very lojjg, slightly pilose ; superior nearly cylindrical, dilated at the 

 base, the tips approximating, dilated and truncated, but suddenly bent 

 downwards and produced into a short process ; inferior not half so 

 long as the superior, cylindrical, curved upwards at the tips. 

 CoRYDALis iNAMABiLis,n.sp. (Plate VIII. fig. 3). Brunnea. Antenme 

 corpore paulo breviores, modice incrassatse, pallide fuscse, nigro termi- 

 natse ; articulo basali inflato; reliquis, basalibus exceptis, singulatim 

 subtus dente recto acuto instruetis. Caput luteo-fuscum, antice palli- 

 dius, rugulosum ; ocelli flavi ; oculi plumbacei ; palpi nigri fiavo annu- 

 lati ; mandibulae valde elongatse, intense fuscse, basi palhdiores. Pro- 

 thorax longior quam latior, supra convexus, postice leviter latior; 

 brunneus. Mesothorax metathoraxque prothorace latiores. Ala; 

 elongatse, angustse, cinereo-hyalinse : anticse punctis numerosis albis ;■ 

 area subcostali fusco-nebulosa ; venulis costalibus nigris, basin 

 versus pallido interruptis ; venuhs transversalibus nigris ; venis Ion- 

 gitudinalibus flavidis ; posticae concolores ; venulis costalibus nonnul- 

 hsque discalibus nigris. Pedes pallide brunnei, tarsis tibiarum api- 

 cibusque obscurioribus. Abdomen fuscum; appendicibus elongatis; 

 superioribus biarticulatis, articulo ultimo sinuato, apice deorsum in- 

 curvato; inferioribus brevioribus, geniculatis, apicibus subclavatis 

 (cJ). Long. Corp. sine mandib. et append. 1" 4'"; long, mandib. 

 1"; exp. alar. 4". 

 Hab. Texas. In collect, auct. 



Pale brown. Antenna scarcely shorter than the body, moderately 

 thick, pale brown, the three or four terminal joints black; basal 

 joint stout and bulbous ; the succeeding joints, excepting those in the 

 basal fourth, each provided near its extremity beneath with a short 

 straight triangular acute tooth. Head yellowish brown, the anterior 

 margin narrowly black; finely roughened above and beneath, and 

 posteriorly with coarsely reticulated spaces ; ocelli yellow ; eyes plum- 

 baceous ; palpi black, with broad M'hitish yellow annulations. Man- 

 dibles very long, slender, finely rugose, pale brown, the apical poiiion 

 dark. Prothorax longer than broad, sensibly widened posteriorly; 

 the upper surface convex, with a lanceolate median longitudinal im- 

 pression behind, and roughened raised spaces along the sides, colour 

 pale brown. Meso- and metathorax slightly broader than the pro- 

 thorax, nearly equal. Wings long and narrow, subacute, cinereo- 

 subhyaline : anterior wings with numerous small white dots every- 

 where in the cellules, excepting in the costal area ; subcostal area 

 with fuscous spaces ; pterostigmatical region slightly yellowish ; costal 

 veinlets black, those near the middle whitish in the centre ; all the 

 discal and apical transverse veinlets black ; the longitudinal veins 

 yellow, the subcostal and radius interrupted with fuscous : posterior 

 wings scarcely paler than the anterior ; costal veinlets and most of 

 the discal and apical transverse veinlets black; the longitudinal veins. 



