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KHYNCHOPHOKA. 







quadrate, abruptly constricted in front, Insinuate at the base, the sides more or less compressed at the 

 middle and rounded anteriorly ; the disc broadly, subtriangularly depressed down the centre from the 

 transverse subapical groove to the base, and with an irregular, double, longitudinal row of coarse punctures 

 on each side of the smooth median line, the rest of the surface with minute, widely scattered punctures, 

 which become coarser and closer along the outer margin. Scutellum smooth, flat, rather large. Elytra a 

 little wider than the prothorax, flattened, subparallel ; closely and regularly crenate-striate, the interstices 

 narrow, feebly convex, and obsoletely uniseriate-punctate. 

 Length 3|-4-^, breadth lyjp"^! millim. 



Hab. Mexico, Toxpam in Vera Cruz [Salle) ; Guatemala, Cahabon and Panima in 

 Vera Paz, Zapote (Champion). 



Six specimens. A flattened form approaching the widely-distributed C. thoracicus, 

 Boh., with the globose portion of the head abruptly separated from the anterior 

 portion, the rostrum longer and more constricted at 

 coarse punctures on the disc of the prothorax less oblique, the scutellum a little 



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the base, the two double rows of 









d the elytra (except along the sides and suture) more or less rufescent 







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53. Cossoims bivittatus, sp. n. (Tab. III. figg. 23, 23«.) 



Moderately elongate, depressed, very shining, black, the elytra each with an extremely broad brownish- 

 yellow vitta extending from the base to near the apex (leaving the suture and outer margins black), the 

 base of the antennae and the tarsi ferruginous. Head narrowly foveate and obsoletely punctate between 

 the eyes, the globose basal portion smooth ; rostrum more than half the length of the prothorax, rather 

 convex, transversely, subquadrangularly, and abruptly dilated at the apex, the narrow basal portion a 

 little longer than the apical, sparsely, obsoletely punctate. Prothorax broader than long, rounded at 

 the sides anteriorly, narrowed and constricted in front, moderately Insinuate at the base ; the disc with 

 an elongate, triangular depression extending from the base to the shallow, transverse, subapical groove, 











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the depression divided down the middle by a rather broad, smooth, uninterrupted, cariniform ridge, 

 which is limited on each side anteriorly by a few irregularly-distributed coarse punctures, and posteriorly 

 by an oblong, deep, rugose area, the rest of the surface almost smooth to near the coarsely punctured 

 outer margins. Scutellum strongly transverse, smooth. Elytra moderately long, much wider than the 

 prothorax, subparallel ; coarsely crenate-striate, the punctures well separated one from another, the 

 interstices somewhat convex, almost smooth, rather broad on the disc, narrow at the sides. 









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Length 4|, breadth 1^ miliim. 



Hab. Panama, Volcan de Chiriqui 8000 feet (Champion 



. 







One specimen. A remarkably distinct species, with broadly ochreo-vittate elytra 

 d a relatively narrow prothorax, the latter with a median ridge and a broad longi- 





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dinal space on the outer part of the disc almost smooth, and two deep, oblc 

 gose fovese at the base. C. vittatas, Kirsch, from Bogota, the type of which I h 









t> 



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somewhat similarly m 







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54. Cossoims thoracicus. (Tab. III. figg. 24, 24 a.) 





) 



L 





Hab. Mexico (Mus. Brit. ; H'dge, in coll. Solan), Orizaba x (Mus. Holm.), Toxpam 

 alle), Tuxtla (Barrett, in U.S. flat. Mus.) ; Guatemala, Sabo, Chacoj, and Cahabon 

 . Vera Paz, Zapote (Champion) ; Panama, Volcan de Chiriqui (Champion), Tabernilla, 



* C. thoracicus, Pasc. Ann. Mus. Genova, (2) p. 313 (1885), from New Guinea, requires a new name. 



















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