DIPTERA. 27 



Cockerell, T. D. A. — Tables for the determination of New Mexico 

 bees. <Bul. Sci. Lab. Denison Univ., xi, pp. 41-73, 1898. 



The bees of southern California. <Bul. So. Cal. Acad. Sci., 



iv, pp. 99-106, 1905. 

 The bees of the genus Nomada from California. <Proc. 



Acad. Nat. Sci. Phila., 1903, pp. 559-579. 



Fowler, C. — California bees of the genus Nomada. <Ent. News, 

 1899, pp. 157-162. 



-, The Synhalonia of California. <Can. Ent., 1899, pp. 137-138. 



Some California bees. < Psyche, vin, pp. 405-407, 1899. 



Table of Calliopsis. 



The Habropoda and Didasia of California. <Can. Ent., 1899, 



pp. 283-286. 



The long-tongued bees (Apidse) of California. <Rep. Cal. 



Agr. Exp. Sta., 1898-1901, Pt. n, pp. 316-330, 1902. 



Viereck, H. L., Cockerell, T. D. A., Titus, E. S. G., Crawford, J. C, 

 Swenk, M. H. — Synopsis of the bees of Oregon, Washington, 

 British Columbia, and Vancouver. <Can. Ent., 1904, pp. 93- 

 100, 157-161, 189-196, 221-232; 1905, pp. 277-287, 313-321; 1906, 

 pp. 297-304. 



DIPTERA. 



I.— CATALOGUES. 



Osten Sacken, C. R. — Catalogue of the described Diptera of North 

 America. [Second edition.] Washington, Smithsonian Institu- 

 tion, 1878. < Smiths. Misc. Coll., 270. 



Aldrich, J. M. — A catalogue of North American Diptera. < Smiths. 

 Misc. Coll., xlvi (No. 1444), pp. 680, 1905; Additions, Journ. 

 N. Y. Ent. Soc, 1907, pp. 2-9. 



Kertesz, K. — Catalogus Dipterorum husque Descriptorum. Leipzig, 

 I, Sciaridse to Rhyphidse, pp. 341, 1902. II, Cecidomyiidse to 

 Cylindrotomidse, pp. 357, 1902. Ill, Stratiomyiidse, Xylo- 

 phagidse, Tabanidse, Leptidse, pp. 367, 1908. IV, Oncodidse, 

 Mydaidse, Nemestrinidse, Apioceridse, Asilidse, pp. 348, 1909. 

 V, Bombyliidse, Scenopinidse, Thereviclse, pp. 199, 1909. 



II.— GENERAL WORKS ON CLASSIFICATION. 



Williston, S. W. — Manual of North American Diptera. 3rd edi- 

 tion, New Haven, Conn., 1908, pp. 405, many figures. 



Bibliography of North American Dipterology. 1878-1895. 



<Kans. Univ. Quart., iv, pp. 129-144, 1896. 

 A list of articles since Osten Sacken's catalogue. 



