256 Mr. F. Smith's Mo7iograph of the 



*11. Xylocopa oblonga. 



Female. — Black, oblong, thoi'ax and abdomen shining ; 

 the head semi-opaque and closely pmictured ; the carina in 

 front of the ocelli forming a slight tubercle between the 

 antenna ; the flagellum of the latter testaceous beneath, 

 excepting the two basal joints. Thorax finely punctured 

 above ; the disk of the mesothorax impunctate ; the pubes- 

 cence on the sides and legs black ; that on the anterior 

 tarsi obscure feiTuginous beneath ; wings brown-black, 

 with a rich purple iridescence, tinted with green at the 

 apical portion of the anterior pair ; metathorax rounded. 

 Abdomen finely and distantly punctured, the sides fi:inged 

 with long black pubescence. Length fifteen lines ; expanse 

 of the wings two inches and a half. 



Male. — Of the same oblong form as the female ; the cly- 

 peus, except its anterior margin, the sides of the face as 

 high as the anterior ocellus, and a ring which surrounds 

 them, white ; antennte black. Thorax : a little griseous 

 pubescence in front, a little beneath the wings, and a tuft 

 at the base of the posterior coxge ; the posterior femora 

 incrassate, their hinder margin thin and sinuated, with a 

 minute tubercle at the base ; the legs elongated. Length 

 twelve and a half lines ; expanse of the Avings two inches 

 and a quarter. 



Hab. — Cape of Good Hope. 



12. Xylocopa rufitarsis. 



Xylocopa rufitarsis^ St. Farg. Hym. ii. 191, $ ; Smith, 

 Cat. Hym. Ins., Apidte, ii. 346. 



This small species is readily distinguished as regards the 

 male sex, which is black ; the vertex has a little griseous 

 pubescence ; the thorax is clothed above with similar 

 pvibescence ; the abdomen has a little on the basal max-gin 

 of the abdomen, and the three following segments have a 

 little on the apical margins laterally; its length is seven 

 lines ; the wings are fusco-hyaline. The female is totally 

 black, evenly and rather finely punctured ; wings as in the 

 male ; length seven to eight lines. 



Hah. — Cape of Good Hope. 



— — '13. Xylocopa hottentotta. 

 Xylocopa hottentotta, Smith, Cat. Hym. Ins., Apidte, ii. 



349, ?. 

 Female.— Length 8— 9 i lines. Black, the wings brown- 



