194 Ins. 
DIPTERA. 
G. Gercke describes the metamorphoses of Ceratopogon (naked-winged 
species), Tanypus nigro-punctatus, Staeg., Hydrellia mutata, Meig., and 
Hydromyza livens^ Fall. ; Verh. Ver. Hamb. iv. pp. 222-234, pi. & figs. 
Contributions to a knowledge of the Diptera of Charkow and the 
neighbourhood, with remarks on their distribution in European Russia ; 
W. Jaroschovsky, Troudy Ges. Charkow, xi. pp. 317-454 [1877]). A 
list of 506 species, of which 207 are noticed in detail, 1 doubtfully as 
new. 
Notes on Arctic Diptera ; Osten-Sacken, J. L. S. xiv. pp. 116-118. 
Notes on the collection of Diptera in the Museum at Cambridge, U. S. ; 
Hagen, Canad. Ent. xi. pp. 132 & 133. 
Notes on the nervous system of the Diptera ; E. Brandt, Hor. Ent. 
Ross. xiv. pp. vii. & viii. 
Aquatic Dipterous larvas appear to render stagnant water more corrupt ; 
J. W. Slater, Ent. p. 87. 
' Extraordinary structure of the larva and pupa of a Dipterous insect, 
combined with dimorphism in the ^ imago; F. Muller, P. E. Soc. 1879, 
p. 1. (preliminary notice only). 
CEOIDOMYID.aB. 
Circular relating to the Wheat Midge and the Hessian Fly ; A. S. 
Packard, Canad. Ent. xi. pp. 137-139. 
Cecidomyia trifolii, sp. n., J. A. Lintner, Am. Nat. xiii. p. 190, & 
Canad. Ent. xi. p. 44, New York State (destructive to clover seed). 
Subsequently renamed by him C. leguminicola^ the former name being 
preoccupied in the genus ; Canad. Ent. xi. p. 121. 
Oligotrophus tanaceticolus, sp. n., Karsch, JB. Westf. Ver. 1878-79, 
p. 27, pi. i. figs. 1 a & 5, Westphalia. 
Mycetophilid^. 
Beling, — . Nachrichten fiber den Heerwurm in den Jahren 1871-77. 
Zool. Gart. 1879, pp. 74-83, 112-115. 
Sciara militaris (“ Heerwurm ”). Great trains of larv£e ; Dragendorff, 
SB. ges. Dorpat, v. p. 31. 
BlBIONIDiE. 
ArribAlzaga, F. L. Notas dipterologicas sobre los Bibionites del Bara- 
dero. Nat. Arg. i. pp. 295-299. 
The following known genera and species are redescribed : DilopJms^ 
Meig., D. similis, Rond., Bihio, Geofl:'r., B. suhwqualis, Rond., Plesia^ 
Wiedem., P.funehriSj Fabr., Scatopse, Geoffr., S. fulvitarsis, Macq., and 
S. atrata^ Say ?. 
Bihio, sp. from Jamaica. Two males in copuU with one $ ; P. H. 
Gosse, Ent. M. M. xvi. p. 160. 
Bihio vicinus, sp. n., Arribdlzaga, Nat. Arg. i. p. 297, Baradero. 
Scatopse pallidipes, sp. n., id. 1. c. p. 298, Baradero. 
