582 CATALOGUE OF 



18. ACRIDIUM CANCELLATUM. 



cancellatum, Serv. Hist. Orlh. 664; Blanch. Gay, Chile, vi. 71, pi. 2, 

 f. 7. 



Chili. 



19. ACEIDIDM VITTIGERUM. 



vittigerum, Blanch. Gay, Chile, vi. 73, pi. 3, f. 8. 

 Coquimbo. 



20. ACRIDIUM MACULIPENNIS. 

 ruaculipenne, Blanch. Gay, Chile, vi. 72. 

 Coquimbo. 



21. ACRIDIUM DEMOCRATICUM. 

 demoeraticum, Blanch. Gay, Chile, vi. 74. 

 Coquimbo. 



22. ACRIDIUM EMORTUALE. 

 emortuale, Sauss. Rev. Zool. 1861, 163. 

 Brazil. 



23. ACRIDiUM MKLANOCERUM. 



inelanocerum, Stal, Eug. Resa, 326. 



a, b. Galapogos. Presented by C. Darwin, Esq. 



24. ACRIDIUM TIBIALE. 



Mas. Fulvum ; caput nigrum, fulvo univiltatum el quadristrigatum, 

 vertice antice depresso longi-subhexagonali ; palpi testacei; prothorax 

 anf.ice niger fulvo univittatus et bimaculatus, postice nigro conspersus ; 

 pectus et abdomen nigra ; prostertii spina testacea, sat gracilis ; pedes 

 nigri, femoribus posticis flavo univiltatis, tibiis tarsisque posticis 

 luteis ; alee anticce fuscescente cinerece, corpore longiores, dimidio 

 antemedio fusco-maculalo et plagiato ; alee posticce pallide cinerea, 

 apices versus fusco nebulosce. 



Male. Tawny. Head black, smooth, with a tawny stripe, with two 

 tawny streaks extending from the eye on each side and with two more 

 tawny streaks which are partly on the front and partly on the face; fore 

 part of the vertex depressed, elongate, subhexagonal ; front with four keels 

 which diverge slightly towards the face. Eyes ferruginous, elliptical. 

 Palpi testaceous. Prothorax with a very slight keel and with the usual 

 four transverse impressed lines, black and with a tawny stripe in front; 

 hind part speckled with black ; a tawny spot on each side of the fore part; 

 fore border and sides slightly rounded ; hind border rounded, slightly 

 elongated. Pectus and abdomen black. Prosternal spine testaceous, 

 rather slender. Legs black. Hind femora as long as the abdomen, 

 longer than the hind tibias, with a yellow stripe on the outer side. Hind 



