LAMIID^E. 355 



few papillae ; each with a longitudinal keeled ridge close to the 

 suture ; a somewhat triangular brown mark beyond the middle ; 

 the apex truncated and somewhat sinuated, the outer angle 

 strongly mucronated. Tibiae ringed with grey and brown ; under 

 side of abdomen smoothest. 



Length 8J lines. 

 Hab. Brazil (Para). 



10. Steirastoma melanogenys, n. s. B.M. 



S. genis nigris, fronte lineis tribus tenuibus glabratis ; thorace 

 supra subtricostato, latere tuberculo trinodoso ; elytris griseo- 

 fuscis, sutura nigro-punctata, singulis carina late curvata, 

 supra subverrucosa ; antennis (maris) articulo basali apice cla- 

 vato simplici, articulo tertio subcurvato, ad basin spinis 4-5 

 brevibus. 



Greyish-brown, the cheeks black ; forehead with three slender, 

 short, smooth lines ; thorax above with three smooth somewhat 

 interrupted keels, the side with a trinodose tubercle ; elytra with 

 the suture spotted with black, each with a dorsal keel, which is 

 widely curved, and on the upper edge is slightly warty ; apex 

 with a strong spine ; the antennae (in the male) with the basal 

 joint much clubbed at the end and simple ; the third joint some- 

 what bent, channeled above, and with four or five small spines 

 near the base. 



Length 8 lines. 

 Hab. Brazil (Para) (Coll.W. B. Bates). 



8. MYOXOMORPHA. 



Myoxomorpha, Blanchard, Chevr. Coll. 

 Acanthoderus, p., Dej. 

 Trypanidius, p., Dej. 



1. Myoxomorpha fuxeraria. B.M. 



Acanthoderus funerarius, Dej. Cat. p. 362. Chevr. Coll. 

 Acanthocinus mexicanus, Wiede?n. 

 Acanthoderus viaticus, Chevr. Coll. 

 Hab. Mexico. 



2. Myoxomorpha funesta. B.M. 



Trypanidius melancholicus, Dej. Cat. p. 363. Chevr. Coll. 

 Myoxomoi-pha morosa, Blanch., Chevr. Coll. 

 Acanthoderes funesta, Erichs. in Schomb. Reise, iii. 573. 

 Hab. Brazil. 



