XLII AUTHORITIES. 



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

 vol. vi, p. 149—178 and 183-188. 1829-30. 

 f, Keating's Narrative of an Expedition to the Source of St. Peter's 

 Eiver, 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 by Joseph Barabino 

 in Louisiana. Indiana, 1832. 



Sciara dimidiata, Diloplnis stijfiiti^, 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. 

 jf Dioj^fis hrericornis, 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. 



Cecidomijia destructor, Say was described for the first time in 

 this paper. 

 I, 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. Lecontei. New-York 1859; Two volumes 8vo. 

 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. 

 SmwER, Henry M. D. — Description of a new species of Cecidomyia. — 

 — In the Trans. Amer. Entoni. Society, I, p. 281. 

 Cecidomyia aceris, n sp. 

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

 new insects, bred from tbem. — In the Trans. 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 vittata 

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



Tachina (Melanosphora) diahroticae, n. sp. (with figure). 

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

 gischen Hofcabinets in Wien. — In the Verb. Zool. Bot. Gesellsch. 

 XVII, p. 355, 1867. 



Five 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 Verb. 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; (.however, compare about it my Preface). 



