Q6 Mr. J. S. Baly on 



and lastly, by the greater irregularity of the short fascise 

 which arise from the inner border of the lateral vitta; 

 these are often interrupted and sometimes entirely obso- 

 lete, the vitta itself occasionally being itself reduced 

 to a narrow submarginal line ; in some specimens the 

 fulvous markings are more or less stained with piceous. 



Mesomphalia interjecta. 



Subtriangularis, convexa, obscure nigro-senea, sub- 

 nitida, pube brevi adpressa cinerea sparsissime vestita, 

 subtus nitida, antennis nigris ; thorace longitudine plus 

 duplo latiori, lateribus pone apicem fere ad medium late 

 explanatis, leviter rotundatis, deinde cite rotundatis, pone 

 medium ad basin rectis, fere parallelis ; dorso tenuiter 

 subremote punctate, utrinque irregulariter sed leviter 

 foveolato, medio ante basin transversim excavate ; elytris 

 thorace multo latioribus ; lateribus a basi fere ad medium 

 rotundato-ampliatis, hinc ad apicem angustatis et leviter 

 rotundatis, apice conjunctim rotundatis ; disco convexis, 

 pone basin citius elevatis, distincte subcrebre punctatis, 

 irregulariter elevato-reticulatis, reticulo nitido, disco 

 exteriori prope marginem obsolete, areolas sat magnas 

 opacas includente, margine laterali ante medium late, 

 pone medium modice explanato, subfortiter punctate, 

 obscure fusco-^neo, plagis irregularibus 6, prope disci 

 marginem positis, disco ipso pauUo incurrentibus, vittam 

 interruptam formantibus, sordide fulvis, ornato. 



Long. 9 lin. 



Eah. — Ecuador. 



The triangular form of this insect (which is very 

 similar to that of M. elocata, Boh.) will at once separate 

 it from any of the species characterized in the present 

 paper. 



MesomphaUa perjucunda. 



Rotundata, leviter convexa, obscure nigro-asnea, sub- 

 nitida, pube cinerea vestita, subtus nitida, antennis nigris; 

 thorace longitudine fei^e duplo latiori, lateribus ante 

 medium oblique rotundato-ampliatis, deinde citius rotun- 

 datis, hinc ad basin rectis ; dorso medio convexo, utrinque 



I 



