348 Mr. J. S. Baly's Descriptions of some 



Sp. 16. Doryphora caiemlata, Oliv, (PI. XXVII. fig. 7.) 

 Var. A. — Ciipreo-senea, elytris caeruleo-seneis, utrisque plaga 

 magnd discum exteriorem fere amplectenti, fulvd, fusco- 

 notata. 

 Var. B. — Elytris laete cupreo-seneis, utrisque fasciis tribus sub- 



maculariformibus, margine suturaque abbreviatis, fulvis. 

 Ega, Upper Amazons. Collected by Mr. H. W. Bates. 

 Long. 6 — 7 lin. 



The two insects described above are remarkable local varieties 

 of Doryphora caiemdata, Oliv. They are so dissimilar to the type, 

 that without the possession of a long chain of intermediate va- 

 rieties I should have hesitated at uniting them with it. 



Sp. 17. Doryphora Whitei. 



Ovata, convexa, rufo-nitida ; antennis fuscis, thoracis margine, 

 maculisque quatuor aeneis ; elytris fulvis, vitta lata suturali, 

 margine exteriori anguste maculisque duabus, fusco-aeneis. 



Long. 4^ lin. 



Caput tenuiter punctatum, maculis duabus vertice aeneis ; 

 oculi nigri ; antennae fuscae, articulo basali infra rufo. 

 Thorax transversus, apice concavo-emarginatus, lateribus 

 subparallelis, antice rotundato-angustatis, angulis anticis 

 acutis; supra subconvexus, tenuiter punctatus ; margine, 

 maculisque quatuor, transversim positis, aeneis. Elytra 

 magis distincte punctato-striata, punctis in striis confuse dis- 

 positis ; fulva, vitta latd suturali, margine exteriori anguste 

 plagisque magnis duabus, un4 ante medium ad vittam su- 

 turalem adfixd, altera pone medium, subtrigona, extrorsum 

 emarginati, margine exteriori confluenti, fusco-aeneis. Cor- 

 pus subtus rufo-testaceum, nitidum. 



Upper Amazons. 



Sp. 18. Doryphora irrorala. 



Ovata, convexa, laete cuprea, nitida ; elytris flavis, fusco-seneo- 

 irroratis, margine exteriori, suturd, maculdque communi 

 ovata, ante medium posita, cupreis. 



Long. 5 2 lin. 



Caput tenuiter punctatum. Thorax transversus, longitudine 

 fere diiplo latior, lateribus subrectis, antice rotundato-an- 

 gustatis, angulis anticis submucronatis ; supra convexus, 

 utrinque leniter excavatus, fortiter punctatus. Elytra fortiter 

 sed irregulariter punctato-striata ; flava, maculis parvis laete 



