584 CATALOGUE OF 



hind border hardly angular. Prosternal spine stout, straight, hardly 

 oblique. Hind femoia with very indistinct blackish lines, as long as the 

 abdomen, longer than the hind tibiae ; spines of the latter white, with black 

 tips. Fore wings cinereous, almost as long as the body, with numerous 

 spots, which are formed by black veins and which are very slight towards 

 the tips; veins elsewhere pale. Hind wings lurid; veins black, tawny 

 towards the base. Length of the body 17 27 lines ; expansion of the fore 

 wings 3854 lines. 



a, b. Honduras. From Mr. Dyson's collection. 



27. ACRTDIUM FEMORALE. 



Fcem. Fulvum ; caput et prothorax testaceo univittata ; caput fusco 

 bistrigatum, vertice antico hexagonali; prolhorax determinate 

 carinalus, flavo bivittatus ; prosterni spina recta, sat gracilis ; 

 femora postica exlus albida ; alee anticee cinerece, basi Jlavescente 

 strigatce, corpore pauilo longiores; alee posticce subcinereee, margine 

 obscuriore. 



Female. Tawny. Head and prothorax with a testaceous stripe. 

 Head smooth, with a brown streak on each side of the stripe ; fore part of 

 the vertex hexagonal ; front with four well-defined keels, the inner pair 

 parallel, the outer pair diverging towards the face. Prothorax finely 

 scabrous, with a well-defined dorsal keel and with the usual four transverse 

 impressed lines ; a yellow stripe along each side, which like th<fore border 

 is slightly rounded; hind border elongated and much rounded. Prosternal 

 spine straight, rather slender. Hind femora as long as the abdomen and 

 as the hind tibiae, whitish on the outer side for half the length from the 

 base, excepting the angular transverse ridges; spines of the tibiae with 

 black tips. Fore wings cinereous, a liitle longer than the body, with a 

 pale yellowish streak along the basal part of the costa ; veins tawny. Hind 

 wings slightly cinereous, a little darker towards the tips and along the 

 exterior border; veins black. Length of the body 22^ lines; expansion 

 of the fore wings 51 lines. 



a. Brazil. 



28. ACRIDIUM MELANORHODON. 



Fo3m. Fulvum, robustum ; caput sordide albidum, fusco bistrigalum, 

 vertice antico hexagonali; antenna nigrce; prothorax carina bene 

 determinata, plagis pustulisque albidis ; tibiarutn posticarum, spines 

 albidce rufo cinctee apice nigrce ; alee anticce cinerece, corpore 

 longiores, maculis guttisque plurimis antemediis pallide fuscis, strigis 

 postmediis obscure fuscis ; alee posticee cinerece, nigro venosce. 



Female. Tawny, stout. Head dingy whitish above and on each side; 

 a brown oblique streak proceeding from each side of the hind border of the 

 vertex, of which the fore part is hexagonal ; front with four well-defined 

 keels, the inner pair parallel, the outer pair diverging towards the face. 

 Eyes ferruginous, elongate-elliptical. Antennae black. Prothorax with a 

 well-defined dorsal ridge, which is notched by the transverse impressed 

 lines; fore border slightly rounded; sides nearly straight; hind border 

 rounded ; some whitish patches on each side of the fore part and some 

 small white pustules on the hind part. Prosternal spine straight, direct. 



