116 Rev. H. Clark on the Chrysomelida of South Africa. 



Group Chrysoinelinae. 

 Genus Polysticta, Hope, Col. Man. pt. 3. 164. 



A. El3^ris flavis vel testaceo-flavis ; nigro notatis. 



1. nigro-signata, J5//W. 5. 24-signata, TAm;j4. 



2. striata, Fab. (3. maculans, Dej., n. sp. 



3. subcruciata, n. sp. 7. nigro-fasciata, n. sp. 



4. eburnipennis, n. sp. 8. pulchella, n. sp. 



B. Eljrtris nigris vel rufo-nigris. 



a. Unicoloribus. 



9. Isevigata, n. sp. H- nigra. "• sp. 



10. nigro- senea, n. sp. 



b. Plagis longitudinaliter {plus minus irreyulariter) signatia. 



12. Marshalli, n. sp. lo. alternans, Fahi: 



13. picturata, n. sp. IG. soluta, n. sp. 



14. lineolata, n. sp. 



c. Guttis sat eequalibus distinctis circularibiis notatis. 



17. l4-guttata, Fab. 20. 10-pustulata, Thu7ib. 



18. 20-guttata, CA^t?. 21. 20-maculata, n. sp. 



19. guttata. Fab. 



d. Guttis incequalibus, vet conjluentibus vel irregulariter diffusis. 



22. notata, Fa6. 29. 18-puuctata, n. sp. 



23. modesta, n. sp. 30. figurata, Dej., n. sp. 



24. iiiultifida, Bej. Cat. 31. difficilis, n. sp. 



25. consimilis, n. sp. 32. clathrata, Dej., n. sp. 



26. simulator, n. sp. 33. Hebe, u. sp. 



27. elegautula, n. sp. 34. flavo-sparsa, u. sp. 



28. rufo-picta, n. sp. 35. vulpina. Fab. 



1. P. nigro-signata, Bhn. 



P. ovalis, satis ampla, obsolete punctato-striata, rufa vel flavo-rufa, 

 maculis nigris circularibus notata ; capite inter oculos transverse 

 arcuato-foveolato, impunctato, rufo ; oculis oblongo-ovalibus : tlio- 

 race transverso elytris angustiore, lateribus parallelis subtiliter 

 marginatis antice rotundatis, disco subtiliter punctato, ad latera 

 autem fortiter et crebre, rufo, maculis 5 circularibus ornato, 

 4 mediis (serie transversa ordinatis), 1 antice ad medium (hac in- 

 terdum obliterata) : scutello Isevi, nigro ; elytris sat convexis, striato- 

 punctatis, interstitiis subtilissime etiam aliter punctatis, rufis, 

 maculis plurimis nigris, circularibus, insequaliter dispositis, ali- 

 quando confluentibus, interdum 20, interdum etiam 26, iterumque 

 maculis confluentibus et vittas obliquas formantibus ; corpore sub- 

 tus pedibusque rufis ; antennis rufo-fuscis, basi flavis. 



Long. Corp. lin. 3-4 ; lat. lin. 2^-33. 



As will be evident from the above diagnosis, the species before 

 us (assuming the examples from which it is taken to consist of one 



