PROSOPIDiE ANDRENID.L. 267 



DESCRIPTION. 



Body very black, slightly downy, minutely punctured. Apex of the nose white, whiteness 

 lobed ; inner orbit of the eyes below the antenna? white ; vertex channelled below the eyelets ; an- 

 tenna? scarcely longer than the head : the projecting lobes of the collar terminate in a white tubercle; 

 base-covers piceous ; wings hyaline with dark nervures : metathorax longitudinally wrinkled : pos- 

 terior tibia? annulated at the base with white : abdomen more glossy than the rest of the body, 

 almost naked, and scarcely punctured ; it is narrower and more elliptical than in any other known 

 species of the genus. 



Family ANDRENIDJE. Andrenidans. 



CLVIII. Genus HALICTUS. Walck. 



(369) 1. Halictus rubicundus. Rubicund Halict us. 



Halictus rubicundus. Steph. Cat. 5249, 5. 

 Apis rubicunda. Christ. Hymenopt. 190, t. xvi,/. 10. 

 Melitta rubicunda. Kirb. Mon. Ap. Angl. ii, 53, 14. 

 Apis flavipes. Panz. Fn. Germ, lvi, t. 17. 



Length of the body 5 lines. 



Four specimens taken in the Expedition. Locality not stated. 



DESCRIPTION. 



$ 



Body black, downy. Head suborbicular, down grayish ; space between the eyes broad : down 

 on the thorax thicker, ferruginous : base-covers rufo-piceous : wings subhyaline ; nervures and stig- 

 ma testaceous ; post-costal nervure black : legs thickly set with yellow hairs which shine like gold ; 

 tarsi testaceous : abdomen elliptical, downy with decumbent hairs ; margin of the segments fringed 

 with white hairs, the two first subinterruptedly ; the ventral segments are similarly fringed, but the 

 hairs are shorter. 



(370) 2. * Halictus crassicornls. Thick-homed Halictus. 



H.fcrassicornisJ nigerpube cinerascenti-paUida ; abdomine lavi nitidissimo; antemris crassiusculis ; ihorace dorso subcanaliculato, 

 minulissime punctulatissimo . 



Thick-horned Halictus, covered more or less with subcinereous or whitish down ; abdomen without punctures, very glossy ; 

 antenna? rather thick ; back of the thorax slightly channelled and covered with innumerable very minute punc- 

 tures. 



Length of the body 3 lines. 



A single specimen taken in Lat. 54°. 



•2 M 2 



