52 HYMENOPTERA. 



and posterior tibiae have a ferruginous stain, the posterior pair 

 being yellow merely at the apex ; the wings splendidly irides- 

 cent and clear hyaline, the tegulae and nervures pale testaceous. 

 Abdomen testaceous, margins of the segments pale rufo-testa- 

 ceous. 

 Hob. Malta. 



50. HALICTUS MARGINATUS. 



Halictus marginatus, Brulle, Exped. Sc. Moree, iii. 351. 774. 

 t. 49. f. 5. 



Luc. Exped. Sc. Alger. p. 185. 98. 

 Hob. Morea; Algeria. 



51. HALICTUS PAUPERATUS. 



Halictus pauperatus, Brulle, Exped. Sc. Moree, iii. 351. 775. 



Luc. Exped. Sc. Alger. p. 185. 99. 

 Hab. Morea; Algeria. 



52. HALICTUS ALBO-MACULATUS. 



Halictus a\bo-msiCu[a.tus,Luc.Expe'd.Sc.Alger.*p.l8'2.93.t. 7-f.l. 

 Hab. Algeria. 



53. HALICTUS ALBO-CINCTUS. 



Halictus albo-cinctus, Luc. Exped. Sc. Alger. p. 183. 94. t. 7. f. 2. 

 Hab. Algeria. 



54. HALICTUS FASCIALIS, n. s. 



Male. Length 3 lines. Black, the face covered with hoary 

 pubescence, the antennae submoniliform, thorax closely and finely 

 punctured, below the post-scutellum a space finely longitudinally 

 rugose, behind which is an abbreviated shining ridge ; the an- 

 terior tibiae in front and the apical joints of the tarsi ferruginous ; 

 the posterior tibiae and tarsi covered with short silvery pubes- 

 cence ; wings subhyaline, the nervures ferruginous, tegulae rufo- 

 piceous. Abdomen elongate, the margins of the two basal seg- 

 ments depressed and bright rufo-testaceous, as is the entire ab- 

 domen beneath, above closely and finely punctured. 

 Hab. Cape of Good Hope. (Coll. W. W. Saunders, Esq.) 



55. HALICTUS PALLIDIPENNIS, n. s. 



Female. Length 2J lines. Black, the face thinly covered 

 with short griseous pubescence, the flagellum beneath pale ful- 



