HYMENOPTERA. 53 



A ous, tips of the mandibles feiTuginous ; the disk of the thorax 

 has similar pubescence to the face, the sides of the metathorax 

 clothed with rather long white pubescence, tegulae of a testaceous 

 yellow ; wings clear hyaline, nervures very pale, the apical ones 

 nearly obliterated ; the tibia? and tarsi pale fulvous ; abdomen 

 ovate, margins of the segments broadly testaceous ; the basal 

 segment of the abdomen smooth and shining, the rest densely 

 covered with short griseous pubescence. 

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



56. Halictus vittatus, n. s. 



Female. Length 5 lines. — Black, the face and vertex have a thin 

 pale fulvous pubescence, on the cheeks it is paler, the clypeus 

 shining, coarsely sculptured at the apex and ciliated with ferru- 

 ginous hairs ; the antennsE beneath rufo-piceous towards their 

 apex; the thorax clothed with pale fulvous pubescence, most 

 thinly so on the disk ; base of the metathorax enclosed by an 

 elevated ridge ; wings rufo-hyaline, nervures ferruginous ; tarsi 

 feiTuginous, beneath clothed with bright ferruginous hair, above 

 with fulvous ; abdomen ovate, dehcately punctured, the apical 

 margins of the segments cream-colovu-ed, in some specimens 

 having a reddish hue, and also varying a little in width in dif- 

 ferent specimens. 

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



57. Halictus deceptus, n. s. 



Female. Length 4 lines. — Black, head and thorax mode- 

 rately punctured, the face covered with griseous pubescence ; 

 clypeus strongly punctured, the anterior margin truncate, the 

 lateral angles produced, forming blunt teeth. Thorax thinly 

 clothed with fulvous pubescence, palest beneath ; the legs clothed 

 with fulvous pubescence above, the apical joints of the tarsi fer- 

 ruginous ; wings subhyaliue, nervin-es ferruginous. Abdomen 

 shining, very ijninutely and closely punctured, the first segment 

 with a patch of white pubescence at its base laterally, another 

 on each side of the basal margin of the second, and a subinter- 

 rupted one on the third, the anal rima ferruginous, margined 

 with fulvous pubescence; beneath, the margins thinly fringed 

 with long pale pubescence. 



Hab. Cape of Good Hope. (Coll. F. Smith.) 



58. Halictus frontalis, n. s. B.M. 



Male. Length 5 lines. — Black, head and thorax closely punc- 

 tured, the clypeus much produced, coarsely punctm-ed, the face 

 below the insertion of the antennae covered with fulvous pubes- 



