72 Families and Genera of 



46 Doges, Alfredo. Arli'lopus Copei, Argas Sanehezi, y (^rnito- 



myia Vilhulie. La Natiiraleza, (2) 1,18-21, 1887. "[Ornith- 

 oniyia Vil lathe, 1!>, jjarasitic on Buteo calurus and B. 

 Bairdii, Mexico.] 



47 Fyles, T. W. Description of a dipterous parasite of pliyUoxera 



vastatrix. Canad. Entoni. XIV, 287-2;3!), 1882. [Diplosis 

 grassator.] Il)id. XV, 84. [Cecidomyia grassator, teste 

 Hagen.] 



48 Haoen, Herman A. New species of Simuiium with a remark- 



able Nympha Case. Proc. Bost. Soc. Nat. Hist. XX, 805- 

 807, 1879. [Simuiium pictipes.] 



49 Karsch, F. Die Spaltung der Diptern Gattung Systropus 



Wiedemann. Zeitschr. Berl. Entomol. Gessellscli. (J54-658. 

 [Cephenus angulatus, (557, infuscatus, 057, Tex.; iinbecillus, 

 H58, Ga.] 



50 Keen, E. L. List of Diptera taken in the vicinity of Philadel- 



phia, from 1882 to 1884, inclusive. Canad. Entom.. XVII, 

 51-55, 1885. 



51 List of Syrphidae taken in Fairmount Park, Philadelphia, Pa., 



during the summer. Canad. Entom. XVI, 145-147, 1884. 



52 LoEw, Hermann. Table for determining the North American 



species of the Genus Pachyrhina. Verb. Zool.-Bot. 

 Gesellsch. 1879, 513-516. [Introductory note by C. R. 

 Osten Sacken.] 



58 Neue nordamerikanische Ephydrinen. Zeitsch. f. d. Gesamin- 

 ten Naturvvissenschaften, LI, 192-208, 1878. Notiphila 

 macrochasta, 192, Texas; avia, 198, Hudson's Bay Terr.; 

 erythrocera, 194, Cuba: Paralimna decipiens, 195, Texas: 

 Psiloiia a;neo-nigra, 196, pukhripes, 197, Texas; atri- 

 mana, D.C., Texas: Athyroglossa glaphyropus, 197, Texas: 

 Pelina truncatula, 198, Texas: Parydra pinguis, 199, D. C, 

 Texas; unituberculata, 230, D. C.; imitans, 201, Mass.; 

 limpidipennis, 201, D. C.; appendiculata, 202, Texas. 



54 Marten, John. New Tabanidae. Can. Entom. XV, 110-112 



[Tabanus AUyni, 110, N. C; Therioplecticus tetricus. 111, 

 Freiichii, 111, susurrus. 111, Mont.] 



55 MiK, Josef. Dipterologische Miscellen. Wien. Ent. Zeit. V, 



276-279, 188(5. [Lkpidostola, nom. nov. for Lepidomyia 

 Loew, 278.] 



56 Osten Sacken, Charles Rohert v. Die Tanyderina, eine 



merkwuerdige Gruppe der Tipuliden. Verb. Zool.-Bot. 

 Gesellsch. 1879, 517-522. [References to American 

 species.] 



