MR. E. M'LACHLAN ON NEW SPECIES ETC. OE NEUROPTEllA. 233 



piceo-brunneum, dense et minute punctatum ; mandibularum apicibus 

 palpisque nigris. Prothorax longior quam latior, supra convexus, 

 fere parallelus, postice ter impressus, luride brunneus. Mesothorax 

 metatboraxque protboracem latidudine subaequantes. Alse elongatse : 

 anticse cinerese, pone medium fuliginosse ; nebulis magnis plurimis 

 apud radium, in spatio subcostali margineque costali fusco-nigris ; 

 punctis in cellulis albis ; venuHs costalibus plerumque, transversalibus 

 omnino nigris, nonnuUis basin versus ei-assis ; veais longitudinalibus 

 plerumque testaceis : posticse antieis pauUo latiores ; venulis trans- 

 versalibus nigris. Pedes fusci ; tarsis tibiarumque apicibus (prsecipue 

 posteriorum) flavidis ($). Long. corp. 2" 3"' ; exp. alar. 5" 2'". 

 Hab. Ega, Brazil. In collect, auct. 



Brown. Antennce very slender, not toothed, not more than two-thirds 

 the length of the body, yellow, the tips black. Head above and 

 beneath dark pitchy brown, finely and closely punctured, the tooth at 

 the lower angles, acute ; margined with yellow at the insertions of the 

 mandibles ; ocelli yellow ; eyes dark olivaceous ; mandibles ( $ ) scarcely 

 so long as the head, black at the tips, with three closely placed teeth 

 beneath the apex internally ; palpi black. Prothorax longer than 

 broad, scarcely dilated posteriorly, the sides nearly parallel, very con- 

 vex above, smooth, dull brown, with three short impressed spaces be- 

 hind. Meso- and metathorax small, scarcely broader than the pro- 

 thorax, each broader than long, pale brown. Wings very long, some- 

 what acute, narrow : anterior wings cinereous, a large space beyond 

 the middle clouded with pale smoky fuscous ; numerous large blackish 

 blotches in the anterior portion, one at the pterostigmatical region, 

 several in the subcostal area, and others under the radius; small 

 white dots in the cellules ; costal veinlets all simple except about two, 

 very strong, each veinlet mostly black at each end and testaceous in 

 the middle, but all black beyond the middle of the costa ; transverse 

 and gradate veinlets of the disk black, some of those towards the base 

 much incrassated ; longitudinal veins, excepting where they traverse 

 the dark blotches, testaceous ; posterior wings slightly broader than 

 the anterior, paler ; some smoky clouds on the anterior margin j. costal 

 and all transverse veinlets black. Legs fuscous, paler beneath ; 

 all the tarsi and the apical portion of the tibiae (especially the posterior) 

 yellowish ochreous ; finely pilose. Abdomen fuscous (the colours pro- 

 bably altered). 

 For this magnificent insect I am indebted to my friend Mr. H. 



W. Bates. It was tlie only Corydalis he saw during eleven years' 



residence on the Amazons. 



Corydalis cbassicornis, n. sp. (Plate VIII. fig. 2). Pallide brunnea. 

 Antennae testaceo-fuscae, nigro terminatae, corpori fere aequales, valde 

 robustae ; articulo basali fortiter inflato ; articulis reliquis (basin versus 

 exceptis) subtus singulatim dente recto "brevi instructis. Caput latis'? 



