178 Mr. Edward Saunders on 



^ 1. Biskra, fields between the Negro village and 



Chateau Landon on Ammi visnaga, 

 9-10.30 a.m., 3, vi, 93. (A. E. E.) 



^ 8, g 7. „ on Tamarix, 28, iv to 1, v, 97. 

 {A. E, E.) 



COLLETES LIGATUS, Er. 



$ 1. Biskra, near railway, Kilom. 199, on Zizy2'>lius lotus, 



3, V, 95. {A. E. E.) 

 $ 2. Medea, slopes of the Nador up to 3,300 feet, 8 to 



10.30 a.m., 14, vii, 93. {A. E. E.) 

 ^ 1, ^ 3. La Calle, near the cemetery, 4 and 8, vii, 9G. 

 {A. E. E.) 



COLLETES BALTEATUS, Nyl. 



$ 3. Medea, on Daucus sdifolms, 30, vii and 2, viii, 93. 



{A. E. E.) 

 $ 1. Biskra, near the Col de Sfa, on flowers of Dcverra 



scojMTia, 26, xi, 94. {A. E. E.) 

 ^ 1, $ 1. Bone, 10 and 80, viii, 97. {A. E. E.) 

 %. Philippeville, 21, vi, 98. {F. D. 31.) 



COLLETES PICISTIGMA, Thoms. 



^ 1. Azazga, 30, viii, 93. {A. E. E.) 



CoLLETES SUCCINCTUS, L. 



^ 2, $ 1. Constantine, on Inula viscosa, 9, x and 4, xi, 



93. {A. E. E.) 

 $ 2. Bone, on Erica WAdtifiora, 28, xi, 93. {A. E. E.) 

 ^ 1. Constantine, Djebel Ouach, near the reservoirs, alt. 



3,000 feet, visiting low compositse, 11, x, 94. 



{A. E. E.) 

 $ 1. Constantine, 2, vi, 95. {A. E. E.) 



COLLETES ACUTUS, Per. 



^ 1. Constantine, on Inula viscosa, 15, x, 95. (A. E. E.) 

 ^ 4. Bone, on Scnccio IcucantJicmifolius, 4 and 6, iii, 



96. {A. E. E.) 

 ^ 1, ? 2. Algiers, 23, iv, 98. {F. D. M.) 



Dr. Longstaff took this species at flowers of Siiergula, 

 1, iii, 05, and with it two specimens of G. hracattcs, Per., 

 not included otherwise in this list. 



