102 ^Ii"- T. D. A. Cockercll — Descrijitions and 



Halictus hliylii, sp. n. 



^ . — Length about 6 mm. 



Slender, black, -with thiu but rather long white hair ; 

 head very broad, eyes strongly converging below ; clypeus 

 shining, wholly black ; antennae extremely long (reaching 

 metatliorax), black, flagellar joints moniliform ; mesothorax 

 (lull, finely punctured ; area of metatliorax large, well 

 defined, appearing under a lens finely irregularly cancellate ; 

 tegidffi rut'o-piceous. Wings greyish hyaline, stigma and 

 iiervures piceous ; first r. u. joining the rather narrow second 

 s.m. before end ; third s.m. very broad; outer r. n. and t.-c. 

 thin, but distinct. Legs black, with i)ale hair; anterior tibise 

 partly dark reddish. Abdomen shining, with thin white hair 

 at sides and apex; apical plate broadly rounded. 



Hub. Mt. AVellingtou, Tasmania, Jan. lo-Feb. 6, 1913 

 {Turner). British Museum. 



\jOoki \\\s.e H. ijlebeius, Ckll., but separated by the quite 

 din'erent antennae, dark clypeus, dullish and sculptured 

 scutellum, &c. 



Halictus bassi, sp. n. 



(5*. — Length about 5*5 mm. 



Much like H. blighi, but with the following special cha- 

 racters : — Mandibles broadly red apicaliy ; disc of mesothorax 

 sliining between the punctures. 



Variety a. — Only two submarginal cells, the first t.-c. 

 absent. 



Hub. Mt. Wellington, Tasmania, Jan. lu-Feb. 6, 1913 

 {Turne)'). British Museum. 



Possibly a variety of H. blighi, wliich it resembles in 

 everything of importance except the sculpture of the meso- 

 thorax, which is quite distinctive. 



Halictus baudini, sp. n. 



^ . — Length about 7 mm. 



Black, raiher robust, with long thin white hair, that on 

 front of head and head and thorax above tinged with reddish 

 In-own ; head very broad ; mandibles black or reddish 

 apicaliy ; clypeus shining, sparsely punctured, with a broad 

 cream-coloured band ; supraclypeal area dull, abruptly 

 contrasting with clypeus ; antennse exti*emely long, flagellum 

 moniliform, faintly brownish beneath ; mesothorax mode- 

 rately shining in middle, otherwise quite dull; scutellum 

 shining; area of metatliorax appearing coarsely granular 



