2100 Insects. 



sides; halteres black: abdomen subfusiform, opaque, slaty black, with a dense, 

 changeable, grayish down, some of the apical segments subcarinated along the 

 back ; two basal depressions, one on each side of the middle of all but the second 

 segment, which has a single, semi-obverse, reniform impression, finely punctulated, 

 and of a dark orange colour in the centre ; first segment slightly pubescent on the 

 sides, emarginate in the centre ; third, fourth, fifth and sixth with a neat row of black 

 punctures near the margins ; beneath with the tip of the body darkest : breast polished 

 and shining : legs black, the joints testaceous ; posterior and intermediate femora 

 dusky or blackish in the middle, anterior subtestaceous ; tarsi dusky ; femora much 

 depressed and slightly channelled, intermediate smallest; intermediate tibiae with two 

 spines above the middle, posterior with one : wings subhyaline, vitreous, finely iri- 

 descent ; nervures very slightly testaceous at their insertion ; cilia? of the thickened 

 nervure short and little apparent ; marginal nervure thickened above the bifurcation ; 

 first longitudinal nervure bent at the insertion, second straightish throughout, third 

 slightly waved, fourth a false nervure, following the curvature of the inner lobe of the 

 wing. Length \\ line. 



Male. — Of a deeper black ; antennae and palpi velvety black, edged with a fine 

 changeable griseous down : abdomen dull black ; two first segments with the surface 

 unequal ; the apical segment polished, shining black : legs almost entirely black, ex- 

 cepting the testaceous joints and the subtestaceous anterior tibiae ; tarsi piceous. 



Hab. Beneath withered leaves, Kitchen Cleugh Dean, Berwickshire, in March. 



Obs. — The above description was drawn up from the inspection of a single male 

 and female. I have since examined two other females, of a smaller size, which, al- 

 though agreeing in other respects, want the impressions and carina of the abdomen 

 mentioned as part of the female character. Perhaps they may have been partly occa- 

 sioned by the shrinking of the larger specimen in drying. 



James Hardy. 



Penmanshiel, by Cockburnspath, Berwickshire, 

 March 14, 1848. 



Descriptions of the British Species of Bees belonging to the Genus 

 Halictus of Latreille. By Frederick Smith, Esq., Curator to the 

 Entomological Society. 



(Continued from page 2044). 



Sp. 5. Halictus leucopus. 

 Melitta leucopus, Kirby. 



Female. — (Length 3 lines). Head and thorax bright metallic green ; 

 the antennae slightly piceous at their apex beneath ; the mandibles 

 ferruginous at their apex. Thorax shining and regularly punctate ; 

 the teguloc piceous; the wings hyaline, splendidly iridescent; the 



