LOCUSTIDiE. 443 



vein parallel to the externo-medial for two-thirds of the lenj^lh from the 

 base, where it diverges to ihe costa. Hiud wings blackish, with some 

 bands formed by (Miieieous spots; longitudinal veins ferruginous; trans- 

 verse veiiilets or sectors white, irregular. Length of the body 20 — 26 lines ; 

 expansion of the fore wings 52 lines. 



Var. (3. — Fore wings without black marks; veins and reticulation 

 tawny. 



a. Mexico. From Mr. Ar'j^ent's collection. 



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

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



5. Meroncidius albomaeginatus. 

 Acanthodis albomarginata, Serv. Hist. Orlh. 457. 

 Cayenne. 



6. Meroxcidius circumcinctus. 

 Acanthodis circumciucta, Serv. Hist. Orth. 456. 



7. MEliONCiniUS MICROPTERUS. 



Acanthodis micioptera, Serv. Hist. Orlh. 456. 



Brazil. 



8. Meroncidius scaeiosus. 



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



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

 M. varius. 



Brazil. 



9. Meroncidius brachypterds. 



Acanthodis bracbyptera, Burm. Handb. Eiit. ii. 700. 



Brazil, 



10. Meroncidius scops. 



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



Bahia. 



11. Meroncidius Degeebi. 



Meroncidium Degeeri, Slal, Eug. Resa, 322. 



Isle St. Joseph, Panama. 



Var.? Foem. Teslaceus, sat gracilis ; vertex piceus ; frons piceo nigro- 

 que quinque vitlala ; labrum albidum, anlice nigrum; prolhorax 

 subtiiiter tuherculatus, piceo lalissime univiltatus, nigra marginatus ; 

 venter piceus ; oviductus nigra marginatus ; pedes rob usti ; alee antic cb 

 cinerecE, angustce, albida reliculatce, testaceo venosx ; alee posticce 

 cinere<B. 



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

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



