^ ANimUNTD-K. 



segments depressed, rufo-testaeeoiis, and with white pul)C8cent 

 fuscio', usnully mnch in<crnii)tod, that on tlie fourth usually entire ; 

 the anal rinia frinp:ctl witli tiilvouH pulu'sccnco. 



//ah. South Africa. 



1 -J. Halictus vitripennis. 



Femnlr. Lenf^tli IM lines. — Head and tliorax green, abdomen fer- 

 ruginous. The head very finely and closely punctured ; the flagel- 

 lum of the antennic bright fulvous beneath ; mandibles pale fer- 

 ruginous, with their tips black. Thorax shining above, and with 

 very delieate puncturing ; legs pale ferruginous ; wings colourless 

 and splendidly iridescent. Abdomen ferruginous, with the extreme 

 base black. 



Var. The thorax rugose above, probably the result of imperfect 

 development. 



Hah. Western Australia, Champion Bay. 



13. Halictus lanugiiiosus. 



Female. Length 4 lines. — Black, and covered with a downy cinere- 

 ous pubescence, which is thinnest on the disk of the thorax and on 

 the abdomen. The head and thorax closely punctured ; the anterior 

 margin of the elypeus white. The base of the metathorax finely 

 rugulose ; the legs more or less obscurely nifo-piceous ; wings hya- 

 line and iridescent ; the nervures rufo-testaceous ; the tarsi, or 

 sometimes only the apical joints, ferruginous. At the basal 

 margin of the second segment of the abdomen, laterally, there is 

 sometimes a little white tomentum. 



Male. Length 3| lines. — Tery like the female, the abdomen a little 

 more elongate, thinly covered with pubescence, as in the other 

 sex, the head a little more elongate, and the apex of the elypeus 

 white. 



Hah. Australia. 



14. Halictus conspicuus. 



Female. Length 4 lines. — Black, shining, and with six white ma- 

 culae on the abdomen. Head closely punctured, rotundate, the 

 elypeus slightly produced, with its anterior margin broadly trun- 

 cate ; the flagellum of the antennae fidvous beneath and rufo-piceous 

 above. Thorax strongly punctured ; wings fulvo-hyaline, the 

 nervures and tegulae rufo-testaceous ; legs rufo-ferruginous, the 

 femora darkest. Abdomen very finely and closely punctured ; at 

 the basal margins of the second, third, and fourth segments, later- 

 ally, there is a triangular patch of snow-white pubescence. 



JFah. Australia. 



