wings (lark brown, \vitli violet iridescence. Tlic laco with black 

 pubescence ; the mandiltles Htoul, and with two acute tcoili at their 

 apex. The nieUxthorax with white puhcsccnco ; the tarsi with 

 ftMTUijinous pul)csconcc beneath ; the abdomen is also clothed with 

 the same beneath. 



Ilah. :Murray Island, Torres Strait. 



15. Megachile siniilis. 



Female'. Length 5 lines. — Black, the pollen-brush beneath bright 

 ferruginous. Head, thorax above, and the scutellum finely and 

 closely punctured ; the face with black pubescence ; the anterior 

 margin of the clypcus truncate. Wings fusco-hyalino, their apical 

 margins fuscous, the ncrvures black ; the pubescence on the legs 

 beneath as well as on the cheeks inclining to hoary, on the legs 

 above it is black. The abdomen shining and very finely punctured. 



Hub. Aneiteum, New Hebrides. 



This species closely resembles MegacMle picteiventris from Aus- 

 traUa, but the pubescence on the face is of a different colour, and 

 the anterior margin of the clypeus is not emarginato. 



IG. Megachile alhomarginata. 



Female. Length 6-0| lines, — Black, the thorax with white pubescent 

 spots, and the apical margins of the segments of the_ abdomen with 

 narrow white pubescent fasciae. The face with white pubescence, 

 on the clypeus and vertex it is black ; the cheeks bearded with 

 white pubescence. The prothorax, the sides beneath, tho legs be- 

 neath, an ovate spot behind tlio tegul®, and two spots at the base 

 of the scutellum with white pubescence; wings fusco-hyaline, 

 palest towards their base, the uervures black. The abdomen with 

 bright rufo-fulvous pubescence, except that on the two apical seg- 

 ments, which is black. 



Hab. New Caledonia. 



17. Megachile scutellata. 



Female. Length 5 lines, — Black, shining, and closely punctured, the 

 abdomen most finely so ; the scutellum produced into an angle 

 posteriorly, but not very acutely so. Tho face with white pubes- 

 cence and with thin fuscous on the vertex ; the clypcus naked, its 

 anterior margin truncate ; the pubescence on the metathorax, on 

 the sides and beneath, pale ; on the tarsi it is rufo-fuscous above 

 and bright rufo-fidvous beneath ; wings slightly fuscous, with a 

 darker cloud in the marginal cell, the nervurcs rufo-fuscous. The 

 margins of the segments of tho abdomen slightly depressed, and 

 having laterally pale marginal fasciae ; towards the apex of tho 

 abdomen the fasciae arc only slightly interrupted, in very recent 



