250 Mr. Edward Saunders on 



OSMIA LJiVIFRONS, Mor. 



$ 1, ^. Biskra, in the grounds of Chateau Landon, 8 

 to 10 a.m. "^ eyes greenish in life 

 ? whitish-grey," 24, v, 93. (A. E. E.) 



(^1. „ near Kilom. 199, visiting Ainhcrhoa 



lippii, 8, iv, 95. ( A. E. E.) 



^ 1, ? 1. „ 9, V, 98. {F. D. 31.) 



OsMiA RUBRICRUS, Friese. 



^ 1, $ 1. Biskra, Fontaine Chaude, on the Dunes near 

 the stream, on Limoniastrum Gvyoni- 

 amwi, 9, V, 94. (A. E. E.) 



^ 5, ^ 3. „ near railway, Kilo 199, among bushes 

 of Limoniastrum Gwjonianum and 

 Nitraria tridentata. Eyes black or 

 brownish ; " burrows in sandy soil 

 rather caked on the surface after 

 rain," 21, iv, 95 and 8 to 25, iv, 97. 

 (A. E. E.) 



^4,^12. „ 6 to 19, V, 98. "This Osmia nests in 

 fiat sand and like papaveris lines its 

 cells with pink flowers of a tall shrub." 

 (F. D. M.) 



Both Mr. Eaton and Mr. Morice found Paradioxys 

 moricci associating with this species. 



Osmia bisulca, Gerst. 



% 1. Medea, on Eryngium triquctrum, 29, vi, 98. 

 {A. E. E.) 



Osmia saundersii, Vach. 



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



^ 1. Le Tarf, on Ccntmorca nainfolia, 17, vi, 96. 



{A. E. E.) 

 $ 1. Biskra, 26, ii, 97. (A. E. E.) 



^ 8, ? 6. Algiers, 6 to 30, iv, 98. {F. D. M.) 



Osmia crenulata, Mor. 



$ 2, ^ 4. Biskra, on Antirrhinum ramosissi7mim, 21 and 



29, iii, 97. (A. E. E.) 

 ^ 1. Constantino, on Echi^im italicum, 21, v, 95, 



(A. E. E.) 



