@article {1282,
	title = {Western Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from California},
	journal = {Bulletin of the United States Geological and Geographical Survey of the Territories},
	volume = {3},
	year = {1877},
	pages = {189-354},
	url = {http://www.biodiversitylibrary.org/item/98702},
	author = {Osten Sacken, C. R.}
}
