CEPHALODONTA. 155 



less nigose. Elytra with the shoulders laterally produced, their 

 apex (Tab. IX. fig. 41) armed with a short obtuse tooth ; surface 

 finely but less closely grauulose than in C. serratkornis, less 

 opaque, alternate interstices obsoletely raised; fourth from the 

 suture strongly costate, shining. {Female.) 



Hah, Upper Amazons. 



A single specimen in the collection of J. S. Baly. 



41. Cephalodonta Smithii, n. sp. 



C elongata, postice paullo ampHata, subdepressa, antennaram arti- 

 culis intermediis leniter perfoHatis, duobtLS ultimis fulvis ; nigra, 

 facie inferiori, maculis duabus vertice, thoracis vittis duabus ely- 

 trorumque vitta humerali, fulvis ; elytris unicostatis, angulo pos- 

 tico spina acuta armatis, apice obhquis, vix productis; subtus 

 nigra, macula magna pectorali femorumque basi fulvis. 



Long. 3-| lin. 



Very closely allied in foiTQ and colouring to the preceding species, 

 but differing in the following characters: — Whole siu-face much 

 less distinctly grannlose ; antennae less perfoliate, third joint 

 scarcely longer than the fourth (in G. cognata this joint is nearly 

 a third longer than the following), two terminal joints fulvous 

 and covered with white pubescence ; thorax shorter, as broad as 

 long at the base ; anneal margin of elytra (Tab, IX. fig. 48) 

 scarcely dilated, obHque, its outer edge indistinctly toothed. 



Hab. Ega, Upper Amazons. Collected by Mr. Bates. 

 A single specimen in the collection of J. S. Baly. 



42. Cephalodonta apicicornis (Guer.). B.M. 



Microdonta apicicornis, Guer. Icon, du Regne Anim. Texte, p. 272. 



C. elongata, postice leniter ampliata, subconvexa, antennis 7yiaris 

 subserratis; nigra, antennarum apice, femorum basi, elytrisque pos- 

 tice, flavis, his unicostatis, angulo postico dente acuto armatis 

 (Tab. IX. fig. 42). 



Var. A. Elytris apice nigiis. 



Var. B. Elytris vitta suturali apiceque nigris. 



Long. 4 Hn. 



Hah. Columbia. 



British Museum and collection of J. S. Baly. 



43. Cephalodonta elevata (Fabr.). B.M. 



Hispa elevata, Fabr. Srjst. Eleuth. ii. p. 62. no. 22. 



C elongata, subdepressa, fulva ; antennis, thoracis macula lateral! 

 vittisque duabus, elytrisque nigris, his unicostatis, postice valde 



