402 Descriptions and Becords of Bees. 



spot ; scutellum and postscutellum troad and flattened^ the 

 former shining^ with widely separated punctures ; basal area 

 of metathorax triangular, lai'gc, smooth and shining, bounded 

 by a groove ; anterior and middle tibire marked with yellow 

 at base ; abdomen rather broad, the apical segments strongly 

 retractile ; the abdomeu recalls that of a Ceratina. 



Hah. Adelaide River [J. J. Walker, 5759). Collected on 

 the ' Penguin ' Expedition. 



Proso2ns reginarum, sp. n. 



? . — Length nearly 10 mm. 



Strongly punctured, the punctures on the mesothorax 

 close; deep blue, with purple tints, the mesothorax greenish 

 blue; light markings cream-colour; wings rather dusky, 

 nervures dark. This has in general the structure and 

 markings of P. pervirldis, but it not only differs in its deep 

 blue colour, darker wings, and more closely punctured meso- 

 thorax, but also as follows: flagellum wholly dark; no 

 light stripe on axillse; median facial stripe not reaching far 

 above antennae, the spear-head mark divided by a dark line. 

 The apical part of the abdomen has long coarse black hair. 

 The tubercles are fringed with white pubescence, and have a 

 minute, hardly visible, light spot. 



Hah. Queensland {Gilbert Turner, 270 Hy.). 



Prosopis Turneriana, sp. n. 



^ . — Length 8-9 mm. 



Strongly punctured, the punctures very dense on the 

 mesothorax ; head and thorax bluish green, with purple 

 tints; abdomen deep shining blue, with purple tints; ante- 

 rior coxge purple, but their femora olive-green ; metallic 

 tints of middle and hind legs purplish blue ; wings dusky at 

 apex, nervures dark. Head ordinary; face below antennae 

 white, the white ascending only a short distance above in 

 the middle line, giving way to a groove which ascends to the 

 middle ocellus ; lateral marks ending very broadly and 

 bluntly about halfway between the antennae and the top of 

 the eyes ; labrum Avith a light spot ; mandibles with a small 

 light stripe ; scape creamy white in front, flagellum dull 

 ferruginous beneath ; enclosure of metathorax triangular, 

 shining, of the type of P. varicolor ; no yellow or white 

 marks on thorax ; tubercles shining reddish purple ; tegulcc 

 with a light spot ni front ; anterior and middle tibite light 

 vellow in front ; apex of abdomen with two short widely 

 separated teeth; last three ventral segments strongly tufted 



