HALICTUS. 429 



segment not pubescent, coarsely longituclinallj striate, the strias 

 in the middle not reaching the apex of the enclosed space ; the 

 abdomen is longer and not so broad ; the wings are slightly fuscous at 

 the apical margins, and though the tibiae and tarsi, as in II. garru- 

 h(s, are for the most part testaceous, the basal joint of the tarsi is 

 conspicuously white. 



Hab. Ceylon. c? • Length 6 ; exp. 13 mm. Type in coll. 

 Eothney. 



740. Halictus lucidiuscnlus, Vachal, Ann. Mm. Civ. Gen. (2M xiv, 

 1894, p. 441, $ d. 



2 . Head, thorax, and abdomen shining, extremely minutely 

 punctured, the punctures sparse but regular ; face slightly elongate; 

 the front above the clypeus convex, medially carinate, the carina 

 not extending much above the base of the antennae ; the median 

 segment roundly steep and vertical at the sides and posteriorly, 

 the base above concave and finely longitudinally rugose. Jet- 

 black, almost without pubescence, the three or four apical abdo- 

 minal segments with decumbent sparse hairs ; legs with dense 

 light brown pubescence ; anal rima brownish testaceous ; wings 

 dusky hyaline, nervures piceous. 



c? very similar, elongate, the base of the abdomen obscurely 

 piceous, the tarsi testaceous. 



Hah. Karen Hills, Burma. $ . Length 6 ; exp. 12 mm. 

 S . Length Qo ; exjy. 12-5 mm. 



*741. Halictus agrestis, Smith, Cat. i, p. 61, 5 ; Dall. Torr. Cat. x, 

 p. 52. 



$ . " Length 3 lines (= about 7 mm.). Black ; head above the 

 insertion of the antennae closely and finely punctured ; the clypeus 

 produced, shining, having a few deep punctures on each side ; the 

 face is roughly sculptured, the antennae beneath testaceous. The 

 disk of the thorax strongly punctured ; at the base of the metathorax 

 (i. e. median segment) is a narrow arched space which is longitu- 

 dinally rugose, reaching on each side nearly to the base of the hind 

 wings, the sides of the metathorax (median segment) have a longi- 

 tudinal ridge ; wings hyaline, nervures ferruginous, stigma palest ; 

 abdomen very finely punctured and very highly polished at the base, 

 the following segments covered with a short griseous pubescence 

 more or less obliterated on the 2nd segment. 



" Hab. Northern India (coll. J. S. Baly, Esq.)."' 



742. Halictus timidus, Smith, Neiv Sp. Hym. B. M. p. 31, $? 



S . Head finely longitudinally striate in front, thorax sparsely 

 punctured, abdomen impunctate ; head orbicular, clypeus not much 

 produced; front very broad, flatfish, with a short indistinct carina 

 above the base of the antennae ; eyes very slightly convergent 

 below ; median segment roundly steep, convex posteriorly, com- 

 pressed at apex, not vertical ; Innate space at base small, longi- 

 tudinally striate ; basal two abdominal segments with a faint but 



