8 Mr. T. D. A. Cockerell — Descriptions and 



transverse black band ; fifth black, with caudal rima rufo- 

 fulvous ; hair of abdomen scanty, no bands or patches. 



Microscopical characters : — Face with fine plumose white 

 hairs; front minutely sculptured, with very fine punctures 

 in grooves ; disc of mesothorax lineolate and finely punc- 

 tured ; basal part of tegulse with very fine piliferous punc- 

 tures ; first abdominal segment and basal half of second very 

 finely punctured ; apical half of second segment minutely 

 transversely lineolate ; hind spur with two large blunt teeth, 

 and a low wave-like one beyond. 



Hab. Brisbane, Queensland, Oct. 3, 1912 (H. Hacker). 

 Queensl. Mus. 129. 



Related to H. inclinans, Sm., but quite distinct by colour 

 of abdomen and legs. 



Halictus subinclinans, sp. n. 



? . — Length 6"25 mm. 



Head broad, black ; mandibles dark reddish in middle j 

 supraclypeal area and base of clypeus olive-green ; flagellum 

 short and thick, bright ferruginous beneath except at base ; 

 clypeus short, front dull and granular ; mesothorax dark 

 green, dullish, finely but distinctly punctured ; scutellum 

 rather more shining and more brassy ; rest of thorax black, 

 pleura and sides of metathorax with dull white hair ; area of 

 metathorax large, poorly defined, rugulose, with very short 

 plicae at sides basally ; posterior truncation poorly defined ; 

 tegulse rufo-fuscous. Wings hyaline, stigma amber-colour ; 

 outer r. n. and t.-c. greatly weakened, first r. n. reaching 

 base of third s.m. Legs black, the tarsi obscurely reddish. 

 Abdomen broad, shining brownish black, very finely punc- 

 tured, hind margins of segments slightly reddish ; apical 

 half with fine pale hair, but no bands or distinct patches. 



Microscopical characters : — Supraclypeal area and base of 

 clypeus with tessellate sculpture and fine scattered punctures ; 

 apical part of clypeus also tessellate and punctate, but the 

 surface more or less undulate and the punctures larger and 

 fewer; front with the dense punctures tending to run into 

 grooves ; mesothorax tessellate between the punctures ; 

 second abdominal segment sculptured like the apical two- 

 thirds of first, basal part of first with much sparser punctures ; 

 tegulse impunctate ; hind spur curved, with a single large 

 broadly rounded (subtruncate) tooth and a low broad 

 (wave-like) one beyond. 



