406 Mr. H. W. Bates 07i Ceramhycidce 



antica impunctata; scutello argenteo ; elytris utrinqne 

 medio linea longitudinali argentea ; antennis rufo-piceis, 

 articulis 1-4 pilis elongatis paucis, 5to scopa magna 

 nigra ; corpore subtus argenteo. 



Long. 3 J lin. 



Hah. — Ega. 



Bears the closest resemblance to G. argyreum, but dis- 

 tinguished by its smaller size, and by the absence of 

 hair-pencil from the tip of the third antennal joint. 



•6. Cosmisoma scopulicorne. 



Saperda scopulicornis, Kir by. Trans. Linn. Soc. xii. 442. 



Elongatum, postice attenuatum, fulvo - ferrugineum ; 

 capite thoraceque densissime punctulatis, opacis; hoc 

 elongate, haud constricto, latei'ibus paululum rotundato, 

 utrinque vitta argentea ; elytris tomentosis, opacis, linea 

 flavo-argentea a basi usque ad apicem ; antennis arti- 

 culis 1-4 sparsissime pilosis, 5to apice scopa parva nigra, 

 6-11 elongatis; corpore subtus argenteo, prothorace 

 antice abdomineque glabris exceptis ; pedibus rufis. 



Long. 4^-5 lin. 



Hah. — River Tapajos. 



A common and well-known Brazilian insect, found as 

 far south as Rio Janeiro. C. ochraceum (Perty), con- 

 founded with it by some authors, is a very distinct 

 species. 



7. Cosmisoma puleherrimum, n. sp. 



Elongatum, postice attenuatura, nigrum ; thorace antice 

 et postice valde constricto, medio lateribus haud tumidis, 

 supra paulo inaequali, creberrime punctulato, pubescente, 

 linea dorsali la^vi ; elytris linea alba a basi usque ad 

 apicem; antennis articulis 2-4 infra ciliatis, 5to scopa 

 magna nigra ; femoribus clavis laete rufis. 



Long. 6| lin. 



Hah. — St. Paulo, Upper Amazons. 



