Hymenoptcra aculcata collected in Algeria. 189 



Halictus ventralis, Per. 



$ 1. Medea, Gorges de la Cliiffa, alt. 700-800 ft., on 

 Mentha rotundifolia and Verbena officinalis, 2G, 

 vii, 93. (A. E. E.) 



^ 2. Medea, on Sonchus arvcnsis, 28, vii, 93. {A. E. E.) 



$ 3. Constantino, "at burrows in a sandy bank," 15, x, 

 95. {A. E. E.) 



$ 1. Biskra, 3, iv, 97. {A. E. E.) 



$ 1. Bone, 2G, iii, 90. {A. E. E.) 



Halictus, sp. ? 



$ 1. Biskra, 17, v, 93. {A. E. E.) 



A species peculiar in having a fine central carina on the 

 anterior disc of the mesonotum and unusually long ventral 

 brushes, longer than in villosulus, etc. {A. E. E.) 



Halictus mediterraneus. Per. MS. 



^ 2, $ 19. Biskra, $ April — $ February and March; 

 $ visiting Zygophyllnm coimutum, Moricandia arvcnsis, 

 Brassiea napus, CIconc arahica, Betana retam, Ferida 

 vesceritensis. (A. E. E.) 



Halictus, sp, ? 



? 1. Biskra, 1, iii, 97. {A. E. E.) 

 Allied to above. 



Halictus breviceps, E. Saund, 



^ 2, Le Tarf, on Fomiculum vulgare, 24, vii, 9G. 



(A. E. E.) 

 ^ 1. „ on Dcmcus muricatus, 17, vi, 96. {A. E. E.) 



Halictus villosulus, K. 



^ 2, $ 2. Medea, on Verbena ofjieinalis, 17, vii, 93. 



{A. E. E.) 

 $ 4. HippAne, on Ghondrilla juncea, 22, viii, 96. {A. E. E.) 

 ? 2. Sidi Ferruch, 8, v, 93. {A. E. E.) 

 $ 1. Bone, on Crepis clatisonis, 31, xii, 95. (A. E. E.) 

 % 1. „ on Scnecio leiicantkemifolius, 15, iii, 96. 



{A.E.E}) 

 $2. Biskra, on Ammi visnaga, 17, v, 93; 27, v, 97. 

 {A. E. E.) 



