70 Mr. J. S. Baly on 



branch to the inner extremity of the basal marginal 

 fascia; the second, on the inner disc near its middle, is 

 placed near the suture; whilst the third, situated on the 

 outer disc near the apical border of the elytron, is more 

 or less connected with the latter, by an irregular branch. 



Omaspides hiviitata. 



Subrotundata, postice attenuata, paullo convexa, 

 nigro-aenea, subopaca, subtus nitida, an tennis nigris; 

 thorace semicirculari, lateribus apice rotundato - am- 

 pliatis, hine ad basin oblique productis, disco opaco, 

 tenuiter longitudinaliter canaliculate ; elytris obscure 

 «neis, thorace multo latioribus, humeris non prominulis, 

 apice rotundatis, lateribus infra humeros fere ad medium 

 rotundato-ampliatis, hinc ad apicem rotundato-angustatis, 

 apice conjunctim acute rotundatis; disco elevato-reticu- 

 latis, reticulo nitido, disco externo pone medium san- 

 guineo, areolas parvas, punctatas, opacas includente ; 

 margine laterali late explanato, paullo deflexo, obsolete 

 et laxe reticulate, crebre punctato, vitta lata superficiem 

 fere amplectente, paullo ante apicem desinente, sanguinea, 

 ornato. 



Long. 6 lin. 



Hah. — Ecuador. 



0. hivittata may be known at once from 0. augusta, 

 Boh., the only species with which it might be confounded, 

 by the very oblique sides of the thorax, and by the much 

 coarser and more distinct reticulations covering the disc 

 of the elytra. 



Omaspides abhreviata. 



Rotundata, paullo convexa, obscure aenea, nitida, an- 

 tennis nigris; thorace subtilissime punctato, dorso 

 tenuiter longitudinaliter canaliculate, medio ante basin 

 transyersim foveolato ; elytris sat ampliatis, humeris non 

 prominulis, late rotundatis, lateribus pone humeros ad 

 medium rotundato-ampliatis, hinc ad apicem rotundato- 

 angustatis ; dorso subcrebre punctatis, margine laterali 

 late explanato ; flavis, limbo exteriori, sutura, plaga 

 communi cruciformi, a basi fere ad medium extensa, 

 vittaque basali inter discum et marginem posita, longe 

 ante medium abbreviata, obscure aeneis. 



