34 WORKS ON NOETH AMERICAN ENTOMOLOGY. 



Hine, J. S. — Eobberflies of the genus Asilus. <Ann. Ent. Soc. 



Amer., n, pp. 136-172, 1909. 

 — Robber flies of the genus Philonicus. <Ohio Nat., vn, pp. 



115-118, 1907. 



Back, E. A. — The robber-flies of America north of Mexico, belonging 

 to the subfamilies Leptogastrinse and Dasypogoninse. < Trans. 

 Amer. Ent. Soc, xxxv, pp. 137-400, pis. 11, 1909. 



MIDAID^E. 



Williston, S. W. — Notes and descriptions of Mydaidse. < Trans. 

 Kans. Acad. Sci., xv, pp. 53-58, 1898. 



THEREVID^E. 



Coquillett, D. W. — Synopsis of the Dipterous genus Thereva. 

 <Can. Ent., 1893, pp. 197-201. 



■ Synopsis of the Dipterous genus Psilocephala. <Can. Ent., 



1893, pp. 222-229. 



Revision of the Dipterous family There vidse. < Journ. N. Y. 



Ent. Soc, 1894, pp. 97-101. 



NEMESTRINIDiE. 



Williston, S. W. — The North American species of Nemestrinidse. 

 <Can. Ent., xv, pp. 69-72, 1883. 



Cockerell, T. D. A. — The Dipterous family Nemestrinidse. < Trans. 

 Amer. Ent, Soc, xxxiv, pp. 247-253, pi. 1, 1908. 



BOMBYLIIDiE. 



Osten Sacken, C. R. — Western Diptera, etc. <Bul. U. S. Geol. and 

 Geog. Surv., in, No. 2, 1877. 



Analytical table of the North American genera of Borubyliidae (p. 22S) ; 

 Tables of the species of Exoprosopa (p. 230) ; Anthrax (p. 238) ; 

 Argyranioeba (p. 241) ; Bombylius (species from the Atlantic 

 States) (p. 247) ; Ploas (California species) (p. 260) ; Toxophora 

 (p. 265) ; Epibates (p. 268). 



Coquillett, D. W. — Monograph of the Lomatina of North America. 

 <Can. Ent., xvm, pp. 81-87, 1886. 



The Lomatina comprise the genera Eucessia, Leptochilus, Aphoebantus, 

 and Oncodocera. 



The North American genera of Anthracina. <Can. Ent., 



xvm, pp. 157-159, 1886. 



A tabular arrangement of the genera composing the subfamily An- 

 thracina. 



