45 
S. W. Williston. — Synopsis of the North American Syrphidae. 
<Bull. U. S. National Museum, No. 31, 1886. 
This work supersedes the previous publications on this family. 
CONOPIDJE. 
S. W. Williston. — The North American species of Conops. <Trans. 
Conn. Acad., Vol. IV, 1882, pp. 325-342. 
S. W. Williston. — North American Conopidae : Stvlogaster, Dalrnan- 
nia, Oncomyia. <Trans. Conn. Acad., Vol. VI, 1883, pp. 5-12. 
A revision of the three genera mentioned . 
CESTRIDJE. 
Friedrich Brauer. — Mouographie der Oestriden. Wien, 1863. 
Four supplements, by the same author, are published in Wiener Entom. Zeit. y 
Vol. V, 1886, p. 289, tab. IV., Vol VI, 1887, p. 4, p. 71 and 217. 
TACHINIDiE. 
S. W. Williston. — North American Tachinidae. Gonia. <Canad* 
Entom., Vol. XIX, 1887, pp. 6-12. 
A revision of the species of Gonia. 
SARCOPHAGIDiE. 
H. A. Hagen. — List of North American Sarcophagidse, examined by 
K. H. Meade, esq., Bradford, England. <Canad. Entom. , 1881, 
Vol. XIII, pp. 146-150. 
ANTHOMYIDiE. 
R. H. Meade. — On the arrangement of the British Anthomyidae. <En- 
tomol. Mouth. Mag., Vol. XI, 1875. 
Contains an analytical table of the genera. 
H. A. Hagen. — List of North American Anthomyidae, examined by R. 
M. Meade, esq., Bradford, England. <Canad. Entomol., Vol. XIII, 
1881, pp. 43-51. 
SOIOMYZIDyE. 
H. Loew. — On the North American Sciomyzidae. < Monographs of 
the Diptera of North America, Part 1, 1862, pp. 103-128. 
ORTALIDJE. 
H. Loew. — The family Ortalidae. <Monographs of the Diptera of 
North America, Part III, 1873, pp. 1-209. 
TRYPETIDiE. 
H. Loew. — On the North American Trypetidae. <Monographs of the 
Diptera of North America, Part 1, 1862, pp. 49-102. 
