398 Mr. A. G. Butler's descriptions of 



rounded off behind and terminating in a pencil of stiff 

 hairs; primaries subtriangular, produced at apical and 

 external angles, excised below the apex, inner margin 

 gently excavated from the external angle to the- middle, 

 and less markedly from the middle to the base ; costal vein 

 terminating a short distance beyond the cell, subcostal 

 emitting two branches before the end of the cell, third 

 branch emitted from the end of the cell and forked, the 

 upper furcation running (close to the second subcostal 

 branch) to apex, upper radial emitted from the base of the 

 third subcostal branch ; discocellulars oblique, slightly 

 convex ; secondaries with very convex (almost angular) 

 costal margin, outer margin straight, meeting the abdo- 

 minal margin at an angle rather greater than a right 

 angle ; costal vein running from the base to near the apex 

 at a great distance from the costal margin, subcostal vein 

 running close to the costal but continued to apex, forking 

 just beyond the cell, the latter short, discocellulars convex, 

 angular; second and third median branches emitted rather 

 near together ; palpi thick, hairy, abruptly truncated, the 

 terminal joint extremely short ; eyes metallic. Type, 

 H. insignia. 



HypcBdalea insignis, n. sp. (PL IX. figs. 3, 3a, 3&.) 



Alse anticse supra rufo-fusc£e, nigro, rufo et testaceo 

 marmoratge et striatse ; plaga distincta ovali interna, albo 

 partim riiarginata ; posticaB fiiliginosEe, area basali albi- 

 cante, plaga apud apicem albida antice rufescente ; thorax 

 rufescens tegulis lateraliter rufis ; abdomen ochreum, seg- 

 mentis tribus analibus et cristula media basali, nigris ; 

 alffi subtus purpureo-fiiscge ad basin crocese ; anticse costa 

 apicali ochrea, area subcostali apicali pruinosa ; area in- 

 terna albida; posticse tertia parte basali crocea; corpus 

 subtus croceum, pectore postice albicante, ventre lateraliter 

 fusco notato ; oculis geneis : exp. alar. unc. 2, lin. 6. 



JTa^. — Sierra Leone. 



Type in Coll. Royal Dublin Soc. 



One of the most singular of the Sphingid(2, exhibiting 

 affinities to Lophura, Pachygonia, Rhodosoma and 

 Sataspes. 



Ch^rocampin^. 

 Chcsrocampa Walduckii, n. sp. (PI. IX. fig. 2.) 



Coloribus et aspectu C. lucasii, alls autem multo 

 latioribus; anticis magis griseis, striis obliquis minus 



