190 Mr. Kdward Sauiulurs on 



$1. Biskra, on ^onrhiis mar iiimi's, 12, iv,97. {A.E.K.) 



% 1. C'oiistantirie, on SonrJius tcncrrim'ii.% 8, v, 1)5. 



?1. „ „ „ „ 2, xi, 04. (A.KK) 



Halictus punctatissimus, Sclik. 



$ 1. Azazga, 2, ix, 93. (A. E. E.) 

 $ 1. Bone, 2, iii, 9G. {A. E. E.) 



Halictus yakourensis, sji. nov. 



1^ . Niger nitiilus, clypei apice, mamlibuli?, antennis subtiis, tegulis, 

 tibiis anturiuribus antito, tar.si.s geiiubusque omnibus plus minus 

 piceis, genis subprominentibus angulosis, mesimoto punctato, inter- 

 stitiis la3vibus, abdomine subovali,,-.nitido, punctato. Segmentorum 

 apicibus vix impressis. 



Black, apex of clypens, mandibles, antenna' beneath, tegnl.T, front 

 tibiaj anteriorly and all the tarsi more or less piceous ; head finely 

 and closely punctured above the insertion of the antenn;o, less closely 

 so on the clypeus. Cheeks short, slightly projecting laterally be- 

 tween the eyes and mandibles in a sharp angle ; mesonotum shining, 

 regularly and somewhat closely punctured, intervals between the 

 punctures smooth, wings slightly duskj', ])Ost-scutellum hairy, 

 legs clothed with short whitish hairs, 2nd and 3rd joints of hind 

 tarsi slightly longer than wide, propodeum not truncate posteriorly, 

 basal area rather small, irregularly striate, sides punctured and 

 clothed with short greyish hairs, abdomen shining elongate ovate, 

 with scattered greyish-white hairs, which are more abundant towards 

 the apex, apical impressions of the segments [scarcely indicated 

 excei)t at the sides, 1st segment rather sparsely punctured, the 

 following more closely so, nearly smooth at their apices ; beneath 

 somewhat shining very finely rugulose and remotely punctured the 

 punctures bearing fine hairs. 



Long. G mm. 



^ 4. Foret de Yakonren, on and over the ridge on \Yhich 

 stands the Maison Forestier, on Eryngium tri- 

 cuspidatum, 19, ix, 93. (^4. E. E.) 



This species is very distinct by its anguhxted cheeks and 

 deep black colour. 



Halictus, sp. ? 



? 1. Bone, 1, V, 9G. {A. E. E.) 



