ACRlDIDjE. 591 



51. ACRIDIUM CONTRACTUM. 



Fcem. Testaceum ; vertex antice depressus, subhexagonalis ; antenna fulr a ; 

 prothorax subtuberculatus, postice fulvus, margine postico producto 

 vix angulato ; proslerni spina breviuscula, sat robusta ; femora postica 

 niyricante biplagiata ; alee anticce cinerea, corpori cequilongce, gutlis 

 plurimis obscurioribus fuscescente marginatis ; alee posticce diaphan<e, 

 nigro venosce, apice fuscce. 



Female. Testaceous. Head punctured ; fore part of the vertex 

 depressed, subhexagonal ; front with four well-defined keels, the inner pair 

 converging towards the face, the outer pair diverging. Eyes elliptical. 

 Antennae tawny. Prothorax finely scabrous, minutely tuberculate, tawny 

 towards the hind border, with a slight keel and with the usual four trans- 

 verse impressed lines; fore border slightly rounded; sides rounded; hind 

 border elongated, hardly angular. Prosternal spine rather short and 

 stout. Hind femora longer than the abdomen and than the hind tibiae, 

 with two blackish patches on each side; spines of the hind tibia? black, 

 pale at the base. Fore wings cinereous, as long as the body, with numerous 

 darker brownish-bordered dots ; veins tawny. Hind wings pellucid, brown 

 about the tips and along part of the exterior border; veins black, yellowish 

 white towards the base and towards the interior border. Length of the 

 body 13| lines; expansion of the fore wings 23 lines. 



a. Philippine Isles. From Mr. Cuming's collection. 



52. ACRIDIUM CERAMICUM. 



Mas. Fulvum ; vertex inter oculos angustus, anlice planus sub- 

 hexagonalis ; prothorax vix carinatus ; prosterni spina robusta^ 

 obtusa, subobliqua; tibia posticce rufce, spinis albidis apice nigris ; 

 ala anticce cinerece, corpore vix breviores, striga postica basali 

 pallidiore, venulis transversis fuscis ; alee posticce luridce. 



Male. Tawny. Head smooth ; vertex narrow between the eyes, its 

 anterior part flat, subhexa'gonal ; front punctured, with four keels, the 

 interior keels hardly diverging, the outer slightly diverging towards the 

 face. Eyes piceous, fusiform. Prothorax very finely scabrous, with an 

 extremely slight keel and with the ordinary transverse impressed lines ; 

 fore border slightly rounded; sides hardly undulating; hind border 

 slightly elongated, hardly angular. Prosternal spine stout, obtuse, slightly 

 oblique. Hind femora almost as long as the" abdomen, much longer than 

 the hind tibiae. Hind tibia? red, spines whitish, black towards the tips. 

 Fore wings cinereous, nearly as long as the body ; a broad paler streak 

 along the basal part of the hind border; veins tawny ; many of the trans- 

 verse sectors brown. Hind wings hyaline, lurid ; veins tawny, black 

 towards the lips and towards the exterior border. Length of the body 

 17 lines ; expansion of the fore wings 35 lines. 



a. Ceram. From Madame Ida Pfeiffer's collection. 



