188 NATURALISTS’ ASSISTANT. 
Walker, F. List of the Diptera in the Collection of 
the British Museum. 7 parts, 12 mo. 1848-55. 
Walker, F. Insecta Brittanica; Diptera. 3 vols., 8vo. Lon- 
don, 1851-56. 
Walker, F. Catalogues of Diptera collected by Wallace in 
the East Indies. 8 parts. London, 1856-64. 
Werdemann, C. R. Dipteraexotica. 1vol.,12mo. 1821. 
Werdemann, C. R. Extra European Diptera. 4 vols. 8vo. 
1828-30. (Ger.) 
Winnerz, J. Monograph of the Mycetophilide. (Verhand- 
lung Zool. Bot. Soc.) 8vo. Vienna, 1868. 
Zetterstedt, J. W. Scandinavian Diptera arranged and de- 
scribed. 14 vols., 8vo. London, 1842-60. 
COLEOPTERA. 
Austin, E. P. Species of Sunius and Pederus in U. S. 
(Proc. Bost. Soc., xviii, 1876.) 
Baly, J. S. Descriptive Catalogue of Hispide. 8vo. Lon- 
don, 1858. 
Bland, J. H. Descriptions of Staphylinide of U. S. 8vo. 
Phila., 1865. 
Bohemann, C. H. Monograph of Cassidide. 4 vols., 8vo. 
Stockholm, 1850-62. (Lat.) 
Bohemann, C. H. Catalogue of Casside in British Museum. 
8vo. London, 1856. 
Boisduval. Coleoptera of the Voyage of the Astrolabe. 8vo. 
Paris, 1835. (Fr.) 
Bonvouloir, H. Monograph of Throscidze. 8vo. Paris, 
1859-60. (Fr.) 
Bonvouloir, H. Monograph of Eucnemide. 8vo, 42 pls. 
Paris, 1871-5. (Fr.) 
Bréme, F. Monograph of Cossyphide. 8vo and 4to. Paris, 
1842-6. (Fr.) 
