of the Amazon Valley. 151 



leaving spots on the femora, the tips of the tibiae, and of the 

 claw-joints of the tarsi black. Abdomen (in $ ) with the second 

 to the fourth ventral segments contracted in the middle ; apical 

 segment very large, tumid near the apex, which latter is trun- 

 cate-emarginate and densely hairy. 



Taken at Para. It resembles very much A%. adspersus (Dej.), 

 Thorns. Class, p. 337. It may be a local form of that species. 



2. JEgomorphus moniliferus, White. 



sEgomorphus moniliferus, White, Cat. Long. Col. in Brit. Mus. ii. p. 'A74, 

 pi. 9. fig. 7. 



This, as will be seen from the excellent figure and description 

 above quoted, is a narrower and more depressed insect than JE. 

 obesv,s. The J has all the three sterna covered with a dense 

 brush of hairs, more erect and of a brown colour on the meta- 

 sternum. The apical ventral segment in the $ is large, with a 

 longitudinal impressed line ending in a fovea before the apex; 

 the latter is emarginate-truncate and densely hairy. 



Found at Para and Santarem, on trunks of felled trees. 



Genus Myoxomorpha. 



White, Cat. Long. Col. in Brit. Mus. ii. p. 355. 



Body thick, convex, elongated. Head broad, muzzle short, 

 somewhat narrowed from the eyes ; sides rounded, obtuse : eyes 

 distant on the vertex, very large, especially the lower lobes, 

 which advance considerably on the forehead. Antennae shorter 

 than the body, simple, neither grooved nor fringed. Thorax 

 with large and very acute lateral tubercles. Elytra convex, 

 elongated, their surface without ridges, apices briefly truncated. 

 Legs moderate, tarsi short, femora clavate ; the fore tarsi in the 

 males simple, neither dilated nor fringed. Presternum narrow, 

 simple, with the acetabular sutures angularly gaping ; mesoster- 

 num broad, quadrate, horizontal. Abdomen with the terminal 

 ventral segment sinuate-truncate in the males. 



The generic name of Myoxomorpha was first applied in French 

 collections to the Acanthoderes funerarius of Dejean's Catalogue*. 

 Neither the genus nor the species has yet been characterized; 

 but Mr. White, in the Catalogue of the Longicorn Coleoptera of 



* A. funerarius, Dej. Cat. A. oblongus, crassus, niger, subtilissime punc- 

 tulatus. Caput nigrum, vertice utrinque macula cana. Antennae crassse, 

 nigrae, articulis tertio quartoque maxime elongatis supra sulcatis, reliquis 

 abbreviatis. Thorax niger, tuberibus lateralibus eonicis, dorso trituber- 

 culato, marginibus cano-maculatis. Elytra simplicia, apiee conjunctim 

 rotundata, ubique sparsim grauulato-punctata, nigra, basi et pone me- 

 dium confluenter cano-maculata vel cana nigro-maculata. Long. 5-1 1 

 lin. <? ? . 



Hab. Mexico. 



