XL1I AUTHORITIES. 



SAV, Th. Description of North-American Dipterous Insects. - - 1. c. 



vol. vi, p. 149178 and 183-188. 1829-30. 



Heating's Narrative of an Expedition to the Source of St. Peter's 

 River, under the command of S. H. Long. 2 vols. Philadelphia, 

 1824. - - Insects described by Say in the Appendix to the 2d vol.; 

 diptera from p. 357 to p. 378. 



New Species of N. American Insects , found hy Joseph Barabino 

 in Louisiana. Indiana, 1832. 



Sciara dimidiata, Diloi>lnis siyf/ius, n. sp. 



American Entomology. 3 vols. With plates. Philadelphia, 1824, 

 25, 28. 



Nineteen diptera are described and figured in this work, seven 

 of which for the first time. 

 Diopsts brevicorms, n. sp. - - In the Journal of the Academy of 



Natural Sciences of Philadelphia, vol. i. p. 23. 



Some account of the insect known by the name of Hessian Fly, 

 etc. - - In the Journ. A. N. Sci., Phil., vol. i, 1817. 



CecMomyia destructor, Say was described for the first time in 

 this paper. 



The complete writings of Thomas Say on the entomology of 

 North -America, with a memoir of the author by George Ord 

 (edited by John L. Leconte). New-York 1859; Two volumes 8 v-t ^ 

 In the present volume, the pagination of Say's original papers, 

 as well as that of this new edition of them, are quoted. Some 

 notes are added on the Diptera, by C. R. Osten Sacken. 

 SHIMER, Henry M. D. - - Description of a new species ot Cecidomyia. 

 In the Trans. Amer. Entom. Society, I, p. 281. 



Cecidomyia aceris, n sp. 



A summers study of Hickory-galls, with descriptions of supposed 

 new insects, bred from them. - In the Traus. Amer. Entom. 

 Soc. II, p. 386, 1869. 



On p. 395 there is an imperfect description of an inquiliuous 

 Cecidomyia, C. cossae, n. sp. 



Additional notes on the striped squash -beetle (Diabrotica vittrtta 

 Fab.). - - In the American Naturalist, V, p. 217. 



Tacliina (Melanosphora) diabrotiaie, n. sp. (with figure). 

 SCHINER, Dr. J. R. - - Neue oder wenig bekannte Asiliden des K. zoolo- 

 gischen Hofcabinets in Wien. - - In the Verh. Zool. Bot. Gesellsch. 

 XVII, p. 355, 1867. 



Fire new species from North- America and useful remarks on 

 species, described by other authors. 



Die Wiedemann'schen Asiliden, interpretirt und in die seither 

 errichteten neuen Gattungen eingereiht. In the Verh. Zool. 

 Bot. Gesellsch. XVI, p. 649; 1866. - 



Although this paper does not contain any new north - american 

 species, it is important for the classification, and as such, has 

 been quoted; (liowever, compare about it my Preface). 



