XVi AUTHORITIES. 



MACQUART, J. Dipteres Exotiques nouveaux ou peu Connu-s. 2 vols. en 

 5 parties, et 5 supplements. Paris, 1838-1855. With, numerous 

 plates. (Published originally in the Memoires de la Societe des 

 Sciences et des Arts de Lille, 1838-1855.) 



Both works, especially the second, contain numerous new Ameri- 

 can species. 



MEIGES, F. W. Systematische Beschreibung der bekannten europaischen 

 zweifiiigeligen Insecten. 7 vols. Aachen and Hamm, 1818-1838. 



Although this work contains only European species, many of them 

 are common to both continents. 



MORRIS, Miss. In the Proceedings of the Academy of Natural Sciences of 

 Philadelphia, vol. iv. p. 194 (1849), some remarks have been pub- 

 lished by her on the habits of Cecidomyia culmicola, n. sp. 

 NEWMANN, Edw. Entomological Notes. (In the Entomological Magazine, 

 V, p. 373.) 



Dimeraspis podagra, n. sp. 

 OLIVIER, Gr. A. Several entomological articles in the Encyclopedic Me- 



thodique are by him, and contain descriptions of American species. 

 PALISOT DE BEAUVOIS, A. M. F. F. Insectes recueillis en Afrique et en 

 Amerique, etc. in fol. Paris, 1805-21. With plates. 



Several Tabani, one Chrysops, and one Syrphideous insect from 

 N. America, are described and figured. 



PALLAS. Reisen durch verschiedene Provinzen des Russischen Reichs. 

 1st vol. St. Petersburg, 1771. 



On page 475 a Culex caspius is described, which Curtis (Ins. of 

 Capt. Ross's voy.) identifies with an American species. 

 RO^DANI, Camillo. Tabanus cheliopterus, n. sp. from Carolina, described 



by him in the Annali delle Scienze Naturals di Bologna, 1850. 

 ST. FARGEAU and A. SERVILLE, authors of several articles in the Encyclo- 

 pedic Methodique, in which American diptera are mentioned. (No 

 new species.) 



SAY, Th. Description of Dipterous Insects of the United States. (In the 

 Journal of the Academy of Natural Sciences in Philadelphia, vol. iii. 

 p. 9-54 and 73-104. 1823.) 

 " Description of North American Dipterous Insects (1. c. vol. vL p% 



149-178 and 183-188. 1829-30. 



" Keating'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 by Joseph Barabino in 

 Louisiana. Indiana, 1832. 



Sciara dimidiata, Dilophus stygius, n. sp. 



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

 25,28, 





