430 APIBJE. 



quite discernible transverse impressed line. Head and tliorax black ; 

 legs and abdomen rufo-testaceous, the apical fi^■e segments of the 

 latter shading into fuscous brown towards the apex ; head, pro- 

 notum, sides of the thorax, legs, apical five abdominal segments 

 above, and all the ventral segments covered with pale glittering 

 bairs ; postscutellum densely pubescent ; wings hyaline and iri- 

 descent, nervures and tegulae rufo-testaceous. 

 Hah. Ceylon {Smith). Length 6 ; exp. 10 mm. 



743. Halictus gutturoSUS, Vachal, Ann. Mus. Civ. Gen. (2") xiv, 1894, 



p. 439, c? . 

 S . Head and thorax finely but not closely punctured, shining ; 

 abdomen smooth, the basal segment highly polished ; head slightly 

 elongate in front, the eyes very slightly convergent below ; median 

 segment roundly truncate posteriorly, the lunate space at base 

 small, rugose. Black, with an obscure chalybeous tint in certain 

 lights ; the clypeus and front, the pronotum, sides of the thorax, 

 and the abdomen beneath covered with a thin, the postscutellum 

 with a dense greyish-white pubescence ; wings hyaline, iridescent, 

 nervures piceous. 



Ilah. Bhsimo, Upper Burma. S . Length 6-5 ; exp. 12 mm. 



744. Halictus propinquus, Synith, Cat. i, p. CO, S ■ 

 Halictus alexis, Cam. Mem. Manch. L. Ph. Hoc. xli, 1897. 



5 . Head, thorax, and abdomen very finely and densely punc- 

 tured, covered sparingly with a thin soft pubescence, more dense 

 on the sides of the face in front and sides of the median segment 

 and forming more or less conspicuous bands on the apical margins 

 of the abdominal segments ; median segment Avith the enclosed 

 semicircular depressed space at base longitudinally rugose; abdomen 

 with the 2nd segment constricted at base. Bright bronzy- green, 

 the pubescence hoary, the apex of the clypeus black, the apical 7-8 

 ioints of the flagellum of the antennae fulvous, the tibite and tarsi 

 of the lei^s yellow, the intermediate and posterior tibios ^^ith a 

 greenish stain above ; wings hyaline, iridescent, the nervures and 

 tegulse h2;ht testaceous yellow. 



' S similar, but smaller and slighter; segments 2-4 of the abdomen 

 constricted, the head more densely pubescent, the apex of the 

 clypeus yellow. 



'Hah. "Mussooree. ? . Length 7 ; exp. 12 mm. 6 . Length 6 ; 

 exp. 11 mm. 



745. Halictus vernalis, Smith, New Sp. Htjm. B. M. p. 30, $ . 



2 . Head and thorax shining, punctured, with the punctures 

 running into irregular striae, abdomen smooth ; head orbicular, 

 eyes not convergent below ; clypeus slightly produced, with a few 

 large punctures at apex ; front not carinated ; median segment 

 rounded posteriorly and at the sides, smooth and shining, the lunate 

 space at base finely longitudinally striate ; abdomen comparatively 

 large, broad and massive. Bright metalhc blue, the apex of the 

 clypeus and the abdomen with purple tints ; the apex of the latter. 



