1 86 naturalists' assistant. 



Wilkinson, S. J. British Tortrices. 8vo. London, 1859. 



Zeller, P. C. Contributions to a Ijnovvledge of Nortli Ameri- 

 can Hetei'ocera [Texan forms]. (Verli. Zool. Bot. Ges. Wien, 

 1872-74. Ger.) See numerous otiier papers in Isis, and publi- 

 cations of Berlin and Vienna Societies, 1838. 



DlPTBRA. 



Bergenstamm und Loew. Synopsis Cecidomyidarum. Svo. 

 Vienna, 1876. 



Bigot, J. Classification of the Diptera. Svo. Paris, 1852-4. 

 (Fr.) 



Bigot, J. Diptera of Madagascar and Gaboon. Svo. Paris, 

 1858-9. (Fr.) 



Brauer, F. Monograph of the CEstridse. 8vo. Vienna, 

 1863. (Ger.) 



Fallen, C. F. Diptera Suecise. 2 vols., 4to. London, 

 1814-25. 



Loew, H. New contributions to a linowledge of the Diptera. 

 4to. Berlin, 1853-62. (Ger.) 



Loew, H. South African Diptera. 4to. Berlin, 1861. (Ger.) 



Loew, H. European Trypetidse. Folio. Vienna, 1862. 



Loew, H. Monographs of the Diptera of North 

 America, edited by Osten Sackeric Parts i, iv. (Smith- 

 sonian Misc. Coll., vols., vi, viii, and ix ) Wasliington, 1862-73. 



Loew, H. Diptera Americanse septentrionalis. (Berlin, Ent. 

 Zeit., xvi, 1872. 



Loew, H. Centuries of Descriptions North Ameri- 

 can Diptera. (Berlin Ent Zeit.) 



Macquart, J. New or little-known exotic Diptera. 9 vols., 

 Svo. Paris, 1838-55. (Fr.) 



Macquart, J. Natural History of the Diptera. ( Suites 

 iBuffon). 2 vols., Svo. Paris, 1834-5. (Fr.J 



