292 ]Mr. F. Smith's Monograph of the 



Avitli a little that is ferruginous at the extreme apex ; 

 beneath, the apical margins of the intermediate segments 

 are fringed laterally with white pubescence. Length 

 seven lines. 



Hah. — South Brazil. 



*103. Xylocopa metallica. 



Female. — Head blue-black, the vertex bright blue, and 

 sparingly punctured ; the cheeks with a purple tinge ; the 

 labrum with a single blunt, shining tubercle. Thorax 

 black, with a slight tint of blue and violet on the disk of 

 the mesothorax, which is smooth, shining, and impunc- 

 tate ; the tegulte, and anterior tibia3 above, blue ; wings 

 fuscous, with a purjjle iridescence. Abdomen : the two 

 basal segments metallic green ; from thence to the apex of 

 the abdomen gradually changing into bright, burnished 

 copper; these segments have a fulvous pubescence, and 

 the sides are fiinged with longer pubescence of the same 

 colour ; beneath of a violet blue ; the three apical segments 

 fringed Avith fulvous pubescence. Length nine lines. 



Hah. — Para. 



This unique specimen was formerly in the private col- 

 lection of Mr. H. W. Bates. 



*104. Xylocopa ordinaria. 



Female. — Black and closely punctured, the disk of the 

 mesothorax im punctate. The tubercle between the an- 

 tennte slightly raised ; the lateral margins of the clypeus 

 raised at its base ; the antennas beneath, except the three 

 basal segments, obscurely testaceous; the wings dark 

 brown, and Avith blue and violet iridescence ; the sides of 

 the abdomen, as Avell as its apex, thickly fringed Avith 

 black pubescence ; at the extreme apex is a little that is 

 ferruginous; beneath, covered with somcAvhat oblong 

 punctures, and Avith a central raised, sharp carina that 

 runs from the base to the apex. Length eleven lines. 



^a6.— Brazil (Tejuca). 



105. Xylocopa affinis. 

 Xylocopa affinis, St. Farg. Hym. ii. 210, $ ', Smith, 



Cat. Hym. Ins., Apid«, ii. 361. 

 One of the smallest species of the genus. Head and 

 thorax black, the abdomen obscure violet, The labrum 



