XL AUTHORITIES. 



OSTEN SACKEN, C. R. Blepharoptera defessa, n. sp. In Mr. 

 Packard's article: On a new cave-fauna in Utah, in the Bulletin 

 of the U. S Geol. and Geogr. Survey of the Territories, Vol. Ill, 

 No. 1, p. 168; 1877. (The very bad figure of this Helomysa 

 appended to this description, was published without my know- 

 ledge.) 



Report on the Diptera collected by Dr. E. Bessels during the 

 Arctic expedition of the Polaris in 1872. - In the Proceed. 

 Boston Sue. N. Hist. December 6, 1876. 

 N. sp. Tip ula Besselsi. 



Western Diptera, descriptions of new genera and species of Dip- 

 tera from the region West of the Mississippi, and especially from 

 California. - - In the Bulletin of the U. S. Geological and Geo- 

 graphical Survey of the Territories, Vol. Ill, No. 2, April 30, 1877, 

 page 189 354. (A table of contents was printed separately by 

 the author and distributed with his copies.) 



One hundred and thirty six new species, and several new genera, 

 principally from California: some few from the Atlantic States. 



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

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



Several Tabairi, one Clirysops, 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 (accord- 

 ing to Schiodte Curtis's species is C. niyripes Zett.). 



PACKARD, A. S. - - Guide to the study of insects, etc. 8 V "., with 15 plates 



and 372 woodcuts. Salem, Mass. First edit. 186869; third 1872. 



N. sp. CJiiroiiomus oceanicus Pack., Epltyd-ra lialopliila Pack., 



Hippoliosca luljonis Pack. The first two, are described in the 



following paper; the third is Olfersia americana Leach. 



On insects inhabiting salt water. In the Proc. Essex Instit. 

 Vol. VI, p 41, March 1869. 



Eplnjdm Italopliila n. sp. and Cliironomus lialopliilns, n. sp. 

 On insects inhabiting salt water, No. 2. In the Amer. Journ. 

 of Arts and Sc. 3d. series, Vol. I, p. 100, 1872. 



Specific names are given to several larvae, the images of which 

 are undescribed (Eplnjdra yracilis, californica) . 



In the Report upon the invertebrate animals of Vineyard Sound 

 etc. Washington, D. C. 1874, Mr. Packard mentions several 

 larvae of Diptera, obtained in dredging salt and brackish waters. 

 Chironomus lialopliilns, n. sp., larva, imago unknown; Chiron, 

 oceanicus Packard; Culex, larva in brackish waters (no description); 

 Muscidae (undetermined larvae described;; ErMalis (larva among 

 algae) Eplnjdra (undetermined larva, no description). 



