Hymenoptera aculeata collected in Algeria. 189 



Halictus ventralis, Per. 



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

 Mentha rotundifolia and Vcrlcna officinalis, 2G, 

 vii, 93. {A. E. E.) 



$ 2. Medea, on Sonchus arvensis, 28, vii, 93. (A. E. E.) 



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

 95. {A. E. E.) . 



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



\ 1. Bone, 2G, iii, 96. \a. E. E.) 



Halictus, sp. ? 



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



A species peculiar in having a fine central carina on tlie 

 anterior disc of the mesonotum and unusually long ventral 

 brushes, longer than in villostdus, etc. (A. E. E.) 



Halictus mediterraneus, Per. MS. 



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

 $ visiting Zygophyllum cormttvm, Moricandia arvensis, 

 Brassica najjus, Olcone araMca, Bctana retain, Ferula 

 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 Fceniculum vulgare, 24, vii, 96, 



{A. E. E.) 

 ^ 1. „ on Dancus Tmcricat'us, 17, vi, 96. (A. E. E.) 



Halictus villosulus, K. 



^ 2, $ 2. Medea, on Vcrhena officinalis, 17, vii, 93. 



{A. E. E.) 

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

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

 ^ 1. Bone, on Crepis clausonis, 31, xii, 95. (A. E. E.) 

 $ 1. „ on Scnecio Icucanthemifolius, 15, iii, 9G. 



(A.E.E.) 

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

 {A. E. E.) 



