36 ANDRENID.E. 



gellum bright fulvous beneath. Thorax very finely punctured 

 aud shining ; the scutelluin impunctate and highly polished ; the 

 metathorax very finely rugulose at the base ; wings clear hyaline 

 and iridescent, the nervures and tegulae pale rufo-testaceous. Ab- 

 domen shining, very delicately punctured, with the apical margins 

 of the segments impunctate. A floccus of white pubescence on the 

 posterior femora beneath. 



Male. Rather smaller than the female. The head and thorax green ; 

 the abdomen dark reddish brown, darkest towards the apex ; the 

 clypeus and mandibles white, the flagellum of the antennae fulvous, 

 the head delicately punctured. The thorax highly polished above ; 

 wings as in the female ; legs pale rufo-testaceous. Abdomen 

 smooth and shining. 



Hab. Swan River. 



19. Halictus inclinans. 



Female. Length 2| lines. — Black, with the mesothorax green. The 

 face and cheeks with thin hoary pubescence ; the anterior margin 

 of the clypeus and the mandibles rufo-piceous ; the flagellum ful- 

 vous beneath. The mesothorax very finely and closely punctured ; 

 the base of the metathorax finely rugulose ; the sides of the thorax, 

 beneath, and the legs with a fine cinereous pubescence ; the legs 

 ferruginous ; wings hyaline and iridescent, the nervures and tegulae 

 pale rufo-testaceous. Abdomen with a thin cinereous pile, with 

 cinereous hairs towards the apex ; the margins of the segments 

 rufo-piceous ; beneath, the segments fringed with cinereous pubes- 

 cence. 



Hab. Champion Bay. 



20. Halictus humilis. 



Female. Length 2 lines. — Black, with the mesothorax dark shining 

 green. Head rotundate, very finely and very closely punctured ; 

 mandibles ferruginous; the flagellum obscurely fulvous beneath 

 towards the apex. The mesothorax with very fine distant punc- 

 tures ; the metathorax finely rugulose at the base, the margin of 

 the truncation smooth and shining, the sides with hoary pubes- 

 cence ; the anterior legs, with the knees and apical joints of the 

 tarsi, rufo-testaceous; wings hyaline and iridescent. Abdomen 

 smooth, shining, and impunctate ; the margins of the ventral seg- 

 ments fringed with long white pubescence. 



Hab. Champion Bay. 



21. Halictus punctatus. 



Female. Length 2| lines. — Head black, the metathorax green and 

 coarsely punctured; abdomen ferruginous, with black markings. 



