224 XYLOCOPA INCOMPLETA. 



apical aegmcut whicli bears black hairs and a short ferru- 

 gineous fringe ou its apical margin. The apical margin 

 of the ventral segments is slightly toothed at the middle , 

 that of the apical segment however armed with a sharp 

 and distinct tooth. 



One female from Java (S. Muller) and a male and fe- 

 male from West-Sumatra (J. W. van Lansberge). 



Ohs. The couple from Sumatra is not quite mature; 

 moreover it has at one time been preserved in spirits , two 

 causes to which the paler colors may perhaps be owing. 



Leyden Museum , August 1880. 



Notes from the Leyden Museum, Vol. II. 



