Genus Xi/locopa. 299 



large, and almost uniting on tlie vertex. Length ten 

 lines. 



Hab. — Mexico (Oajaca). 



120. Xylocojja lateralis, 



Xylocopa lateralis, Say, Best. Journ. Nat. Hist. i. 

 413, $. 



Obscurely violaceous ; the head black, the labrum, cly- 

 peus, and front of the scape of the antennae, white. The 

 abdomen with a lateral fringe of cinereous pubescence 

 Avliich extends upwards on each side, becoming obsolete 

 towards the base. Length about nine lines. 



Hah. — Mexico. 



■ -- 121. Xylocojya purpurea. 



Xylocopa purpurea. Cress. Hym. Texana, 284, $. 



Black, Avith a purple reflection and with blue or green 

 tints in certain lights ; abdomen deep purple, the pubes- 

 cence black ; the head punctured, but sparingly so on the 

 vertex ; an oblique indentation at the summit of the eyes ; 

 wings smoky, their apex dark. Abdomen punctured, most 

 closely so at the sides ; the apex with black pubescence, 

 and having a tuft of white on each side. Length about 

 eight and a half lines. 



Hab. — Texas. 



*122. Xylocopa tenuata. 



Female. — Dark blue, with shades of violet on the thorax 

 and abdomen ; the disk of the thorax impunctate, other- 

 wise the thorax and head are closely punctm-ed ; the abdo- 

 men is more finely and distantly punctured; the three 

 apical segments have a green tint and_ are closely and 

 finely punctm-ed ; wings fusco-hyaline, Avith a slight violet 

 ii-idescence. Length six and a half lines. 



Hab, — Mexico. 



*123. Xylocopa for mo s a. 



Female.— Dark blue ; on the vertex and on the disk of 



the mesothorax are shades of violet, as there are also on 



tlie legs and on the abdomen beneath ; the antenor coxa; 



rufo-testaceous beneath. The head closely punctured, 



