226 ARKIV FÖR ZOOLOGI. BAND 1. 



14. Nirina epiphiata Dalm. 



15. Nirinoides abdominalis Jac. 



16. Aethonea variabilis Jac. 



17. Stenoplatys Pascoi Balt. 



18. Ornithognatus generosus Tiioms. 



19. Platyxantha sublaevipennis Jac. 



20. Phyllobroticella flava Jac. 



21. Phyllobroticella picipes Weise. 



22. Syoplia africana Jac. 



23. Luperodes marginatus Jac. 



24. Barombia metalliea Jac. 



25. Pseudocrania africana Jac. 



26. Pseudocrania latifrons Weise. 



27. Monolepta elegans Alld. 



28. Vitruvia glabripennis Jac. n. gen. 



The following species of Phytophaga contained in the 

 colleetion of Cameroon Phytophaga which were kindly sub- 

 mitted to me by Professor Sjöstedt for examination seem to 

 be undescribed. 



Lema Sjöstedti sp. n. 

 Plate 10, fig. 1. 



Fulvous below, head bluish, antennse black (the basal 

 joints sometimes fulvous), thorax impunctate, rufous, the an- 

 terior angles tuberculate; elytra metallic blue, with deep ba- 

 sal depression, stronga punctate-striate, legs bluish-black, 

 femora rufous (the knees excepted). 



Length 5 — 6 mill. 



Head dark blue, the space behiud the eyes fulvous, the 

 vertex with a short central groove, eyes moderately deeply 

 triangularly notched, the lateral grooves deep and pubescent, 

 antennse extending to about the middle of the elytra, black, 

 the basal two or three joints sometimes fulvous below, third 

 and fourth joint equal, elongate, terminal joints slightly 

 thickened; thorax subquadrate, not louger than broad, the 

 anterior angles pointed, tuberculate, the basal sulcus very 

 deep, extending laterally to the under portion of the thorax, 

 not preceded or bounded by a longitudinal ridge, the surface 

 entirely impunctate, dark rufous, scutellum bluish, its apex 



