XL AUTHORITIES. 



UsTEN 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 Hdomyza 

 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 rolaris in 1872. — In the Proceed. 

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

 N. sp. Tijnila JBesselsi. 



„ 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 Tahcnii, one Chrysojjft, and one Syrphideous insect from 

 N. America, are described and figured. 



Pallas. — Reisen diirch verschiedene Provinzen des Russischen Reichs. 

 1st vol, St. Petersburg, 1771. 



On page 475 a Cithx cafi2J''HS is described, which Curtis (Ins. 

 of Capt. Ross's voy. identities with an American species (accord- 

 ing to Schiodte Lurtis's species is C. tiigripes Zett.). 



Packard, A. S. — Guide to the study of insects, etc. 8""., with 15 plates 



and 372 woodcuts. Salem, Mass. First edit. 1868—69; third 1S72. 



N. sp. Cliiroiiomus oceanicuH Pack., Ephydra hcdopldJa Pack., 



Hippohosca huhoiiis 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 lb69. 



Epltydra ludophda n. sp. and Cldronomiis hcdophilus, n. sp. 

 „ On insects inhabiting salt M'ater, No. 2. — In the Amer. Joui'n. 

 of Arts and Sc. 3d. series, Vol. I, p. 100, lb72. 



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

 are uudescribed {Ephydra yntcilis, ccdifornica). 



„ 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. 

 Chiroiiomu^ htdophdua, n. sp., larva, imago unknown; CJiiron. 

 oceariictifs Packard; Cidex, larva in brackish waters (no description); 

 Iluscidae (.untleierminod larvae described ; Erist(difi (laiva among 

 algae) Ephydva (undetermined larva, no description). 



