650 Mr. Edward Saunders on 
Allied to tetrazonius, but with the mandibles simple ; 
differs from Perez’s description of pyrenxus in the short 
cheeks, and the want of the pencils of hairs at the lateral 
apices of the 4th ventral segment. 
HALICTUS SEPARANDUS, Schmied. 
1901. Port Bou: June 24.—1 2 A. H. 
Cerbere: July 17.—1 ¢ E. B. P. 
Montserrat, near Railway Terminus: July 14. 
9 6 Be Bal hoa Aer, erie 
—l1 ¢ W.H. 
Montserrat, near summit, San Geronimo 
(about 4000 ft.): July 15.—1 f W. H. 
HALICTUS PLATYCESTUS, Dours. 
1901. Barcelona: July 16.—2 2 E. B. P.,5 2 W. H., 
. Teo CAT EC 
HALICTUS LEUCOZONIUS, Kirb. 
1901. Montserrat, Hospederia to San Geronimo 
(3000-4000 ft.): July 15.—1 2 W. H. 
Montserrat, near Railway Terminus: July 16. 
—19W.H. 
HALICTUS INTERRUPTUS, Pz. 
1901. Port Bou: June 24.—2 2 E. B. P., 2 9 W.H., 
Oey yA Ee 
Montserrat, near Railway Terminus: July 14. 
—1 9K. B.P. 
Montserrat, near summit, San Geronimo 
(about 4000 ft.): July 15.—1 gf W. H. 
HALICTUS, sp. (2). 
1901. Port Bou: June 24.—1 2 A. H. 
HALICTUS COSTULATUS, K. 
1902. La Granja: July 22.—1 2. July 23.—2 9. 
July 24.—2 9. July 26.—1 9. July 26. 
—l ¢ (being devoured by Dasypogon 
diadema §). 
La Granja, above Palace: July 21.—1 §. 
