220 Mr. E. Saunders' Synopsis oj 



in most of the species of this group, rather largely and 

 distinctly punctured on the first three segments, less 

 distinctly on the following ones ; beneath with a few 

 long hairs across the 1st, 2nd, and 3rd segments, and 

 some shorter ones on the 4th and 5th ; (for genitalia 

 see pi. ix., fig. 13). Legs with the tarsi pale whitish 

 yellow ; the extreme apex of the femora more or less 

 testaceous. 



? . Head shaped much as in the $ . Eyes very 

 long and subparallel ; face much longer than wide. 

 Thorax deeply and distinctly punctured, its surface dull ; 

 metathorax as in the 3 • Abdomen with the Ist seg- 

 ment more shining than the rest, finely but not very 

 closely punctured on its apical half ; following segments 

 closely punctured, and more or less densely clothed with 

 greyish hairs ; segments beneath fringed with long greyish 

 hairs. Legs black, clothed with grey hairs ; apices of 

 the tarsi piceous. Length 6 — 7 mm. 



Hah. Not rare. Wandsworth, Eeigate, Chobham, 

 Hastings, Southwold, Bournemouth, Norwich, &c. 



22. Halictus nitidmsculus, Kirby. 



Kirby, Mon. Ap. Angl. ii., p. 64 ; Smith, Cat. Brit. 

 Hym., 2nd ed., p. 101. 



5" . Black, but in certain lights with a very slight 

 bronzy appearance ; head much shorter than in the pre- 

 ceding, the antennas longer, testaceous beneath ; man- 

 dibles, labrum, and apex of clypeus yellow ; mesothorax 

 shining, very finely punctured ; metathorax finely rugose 

 at the base. Abdomen shining, elongate, very finely 

 punctured ; beneath shining, segments somewhat con- 

 cave, sides of the segments with long tufts of white 

 hair, which form a conspicuous and distinctive character ; 

 (for genitalia see pi. ix., fig. 16). Legs with the front of 

 the fore tibise, the base and apex of all the tibiaB, and all 

 the tarsi, pale yellow. 



? . Much like all the other females of this group, 

 but with the testaceous margins of the abdominal seg- 

 ments generally very wide, and distinguishable by the very 

 fine puncturatiou of the thorax and of the basal segment 

 of the abdomen ; these two characters together do not 

 exist in any of our other species ; in lyunctatissimus and 

 hreciccj)^, where the 1st segment of the abdomen is 



