( 136 ) 



pule jpiicliy brown ; tibiae, tarsi, and antennae almost hileous. Tbe bead as 

 finely and sparingly punctuated as tbe protliorax ; the latter, having the posterior 

 angles strongly rounded, seems to be narrowed posteriorly : its base is slightly 

 dilated in the middle. The elytra more strongly punctured than the protborax, 

 without short rows of pnnctares. Metasternnm with the sides coarsely and the 

 middle finely punctuated ; a very fine median line slightly impressed. Abdomen 

 densely jjunctnated ; coxal lines semicircular, complete, not reaching the bind 

 margin of the segment. 



Hab. Nias (J. W. Thomas). 



22. Scymnus uniplicatus sp. nov. 



Sc. niger, iufni piceo-niger: breviter ovatiis ; cinereo-pubescens ; capite, pro- 

 thoracis margine antico et lateribus tenuiter, abdomiue (basi excepta) femoribnsque 

 rufo-testaceis ; ore, antennis, tibiis tarsisque luteis. Protborax angulis anticis 

 fortiter rotundatis, basi medio producta, utriuipie sinuata. Supra dense parum 

 rugose punctatus, elytris singulis basaliter breviter unistriato-punctntis, bac stria 

 obliqna ; spatio suturali inter strias sito impunctato. Metasteruum medio parum 

 impressum, fortiter punctatum, punctis forma sat transversa. Abdomen segmentis 

 primo et secuudo medio sparsim, lateribus dense fortiter punctatis. Lineae coxales 

 marginem posteriorem segmenti non attiugentes, iutus oblique arcuatae, extus 

 subito declives et leviter impressae. 



Long. 1| mm., elytr. 1|, lat. H. 



Black, covered with a grejish pubescence ; under surface dark blackish brown ; 

 last segments of tlie abdomen, femora, head, narrow fore and outer margins of tbe 

 protborax, pale rufous ; mouth, antennae, tibiae, and tarsi of a bnif colour ; bind 

 femora a little darker than the others. Sides of the protborax almost straight ; 

 fore angles rather strongly rounded, posterior ones sub-rectangular ; middle of tbe 

 base somewhat dilated. Elytra more coarsely and corrugatelj' jjuuctured than the 

 protborax, each with one short row of punctures at the base ; since tbe interstices 

 and exterior borders of the punctures are distinctly raised, tbe row forms an elevated 

 line ; a sutural space between the two rows smooth. Middle of the metasternum 

 visibly impressed, and very coarsely, but not densely punctured ; sides finely 

 punctuated. Miildle of the two basal segments of tbe abdomen sparingly but 

 coarsely, tbe rest of tbe abdomen densely punctured. Coxal lines not reaching 

 the hind margin of the segment, with tbe interior part slightly arched, and the 

 exterior one abruptly declivous and becoming obsolete towards the middle of the 

 segment. 



Hab. Malay Peninsula. 



23. Scymnus rubroventralis sp. nov. 



Sc. niger, ovatus, convexus, pube brevi cinerea dense vestitus; capite, prothorace 

 marginibus latis lateralibus et margine antico angusto, elytris apice, pedibus, 

 abdomineque (segmento jjrimo uigro-piceo excepto) rufis. Supra minute punctatus, 

 elytra ad basim una serie pnnctorum grossorum iustructa. Metasteruum fortiter 

 punctatum, medio ante marginem posticum j)auce depressura, spatio mediano 

 triangiilare laevi et linea mediana tenuissima instructum. Abdomen modice grosse, 

 segmento primo medio sat sparsatim, punctatum. Lineae coxales completae, semi- 

 circulares, marginem posticum segmenti non attiugentes. 



Long. If mm., elytr. 1^, lat. IJ. 



