LOCUSTID.E. 443 



vein parallel to the externo-medial for two-thirds of the length from the 

 base, where it diverges to the costa. Hiiid wings blackish, with some 

 bands formed by cinereous spots; longitudinal veins ferruginous; trans- 

 verse veinlets or sectors white, irregular. Length of the body 2026 lines ; 

 expansion of the fore wings 52 lines. 



Far. j3. Fore wings without black marks; veins and reticulation 

 tawny. 



a. Mexico. From Mr. Argent's collection. 



b, c. Oajaca. From M. Salle's collection. 

 d. Vera Cruz. From M. Salle's collection. 



5. MERONCIDIUS ALBOMARGINATUS. 

 Acanthodis albomarginata, Serv. Hist. Orth. 457. 

 Cayenne. 



6. MEBONCIDIUS CIRCUMCINCTUS. 

 Acanthodis circumciucta, Serv. Hist. Orth. 456. 



7. MERONCIDIUS MICROPTERUS. 

 Acanthodis microptera, Serv. Hist. Orth. 456. 

 Brazil. 



8. MERONCIDIUS SCABIOSUS. 

 scariosa, Burm. Handb. Ent. ii. 700. 



The description of this species is too short to identify it with 

 M. varius. 



Brazil. 



9. MERONCIDIUS BRACHYPTEBUS. 

 Acanthodis brachyptera, Burm. Handb. Ent. ii. 700. 

 Brazil. 



10. MERONCIDIUS SCOPS. 

 Acanthodis scops, Burm. Handb. Ent. ii. 702. 

 Bahia. 



11. MERONCIDIUS DEGEEBI. 

 Meroncidium Degeeri, Stal, Eug. Resa, 322. 

 Isle St. Joseph, Panama. 



Var.? Fo3m. Testaceus, sat gracilis ; vertex piceus ; frons piceo nigro- 

 que quinque vittata ; Labrum albidum, antice niyrum ; prothorax 

 subliliter tuberculatus, piceo iatissime univittatus, nigro marginatus ; 

 venter piceus ; oviductus nigro marginatus ; pedes robusti ; alee anticce 

 cinerece, angustce, albido reticulatce, testaceo venosce ; alee posticce 

 cinerecB. 



Female. Testaceous, rather slender. Vertex piceous ; front thinly 

 punctured, with three black stripes and with two exterior piceous stripes ; 



