, Hymenoptera nculeafa collected in Algeria. 191 



Halictus, hollandi, E. Saund. 



^ 1. Medea, Gorges de la Chiffii, on Mentha rotundifolia 



or Verbena o^cinalis, 26, vii, 93. {A. E. E.) 

 $ 1. Bone, 26, iii, 96. {A. E. E.) 



Halictus aglyphus, Per. 



$ 1. Bone, visiting Salsola kali, 23, viii, 97. {A. E. E.) 

 ^ 1. Constantino, on Thaima gargaiiica, 17, v, 95. 



{A. E. E.) 

 ^ 2. Biskra, on Ammi visnaga, 30, v, 93 to 28, v, 97. 



{A. E. E.) 



One example has the abdomen testaceous as described 

 by Perez, another piceous-brown, a third nearly black. 



Halictus strictifrons, Vach. 



^ 1. Biskra, 10, iv, 97. {A. E. E.) 

 ^ 3. Bone, burrows into the vertical face of the river- 

 bank, 30, iv, 96. {A. E. E.) 



Halictus sphecodimorphus, Vach. ^? 



$ 1. Tizi Ouzou, on Zizyphus lotus, 14, vi, 93. {A. E. E.) 



I submitted this specimen to Mons. Vachal, and am 

 indebted to him for the suggestion that it may be the $ 

 of his species. 



Halictus soror, E. Saund. 



$ 1. Algiers, on Chrysanthemum scgetum-, 28, iv, 93. 



{A. E. E.) 

 ^ 2, $ 1. Constautine, onEcballium claterium, 30, ix, 93. 



{A. E. E.) 

 ^ 1 $ „ on Scd'icm cceruhum, 13, v and 16, 



95. {A. E. E.) 

 $ 1. „ on HypocliEeris glabra, 13, v, 95. 



(A Ji' W \ 



$ 1. Bone, 14, v, 96. '{A. E. E.) 



i 2. La Calle, 1 and 24, vii, 96. {A. E. E.) 



$ 1. Algiers, on Fhaqnalon rwpestre, 28, iv, 93. 



{A. E. E) 

 ? 1. „ 24, li, 93. (A. E. E.) 



$ 1. Bone, on Salsola kali, 3, viii, 97. {A. E. E.) 



^ 1. Hippone, 8, iv, 96. {A. E. E.) 



