Manchester Memoirs, Vol. xli. (1897), No. 4. 93 



part of the median segment being distinctly raised and 

 separated from the lateral ; these are smooth, shining, 

 and impunctate ; the surrounding keel is stout and 

 piceous in colour. 



Antennae black ; the flagellum brownish beneath, and 

 bearing a slight white microscopic down. Head coarsely 

 punctured ; bearing short white microscopic pubescence ; 

 the inner orbits to near the lower ocellus, and dilated 

 below the antennae and narrower at the bottom than at 

 the top, and a large mark on the clypeus, broad at the 

 base and gradually narrowed to the top, yellow ; the 

 upper part of the mandibles yellow, the apical piceous. 

 Thorax black ; the pro- and meso-notum punctured ; the 

 median segment at the base with a large somewhat square 

 coarsely rugose space, surrounded by a smooth impunc- 

 tate area, bordered by a stout, semicircular piceous keel ; 

 the apex without a distinct furrow and thickly covered 

 with white hairs. Pleurae and sternum strongly punc- 

 tured ; a line on the pronotum at the apex, the tubercles 

 and the base of the tegulae yellow, the apex of the tegulae, 

 piceous. Legs black, covered with white pubescence ; 

 the anterior knees, tibiae and tarsi, the middle tibiae 

 broadly at the base and slightly at the apex, the hinder 

 tibiae broadly at the apex and the metatarsi, yellow; the 

 hinder femora incline to piceous beneath ; and the yellow 

 is suffused at the base or apex with brownish. Abdomen 

 shining, the sides sparsely covered with white pubescence. 



The size of the yellow mark on the clypeus varies. 



HALICTUS. 



a. Species with the abdomen more or less reddish. 

 Halictus Wroughtoni, sp. 110V. 



Niger ; longe dense pallide hirtus ; abdominis basi late 

 rufo; pedibus nigris, femoribus fere piceis, longe albo -pilosis ; 

 alis hyalinis, stigmate piceo, nervis pallidis. 2. Long. 8mm. 



Hab. Bombay Presidency (JVroughton) . 



