Ins. 219 
( d .) DIF TER A. 
[_Cf. Adolph (3), Balbiani (14), Bigot (29), Brauer (42, classification, 
mimicry, &c.), Ciaccio (75), Hickson (138), Lee (185), Plateau (250), 
Portschinsky (254), Roder (288), Viallanes (346, 347), Williston (364, 
367), Wulp (372, 375).] 
Organs of flight, Amans (5). 
Teeth of flies. The series of short papers by W. D. Harris is con¬ 
tinued in Sci. Goss. xxi. The teeth of the following are figured : Antho- 
myia meteorica , p. 4, fig. 1, Scatophaga stercoraria , p. 59, fig. 48, Sarco- 
phaga carnciria , p. 132, fig. 90, Stomoxys calcitrans , p. 153, fig. 100, Caricea 
tigrina, p. 206, fig. 145, Fucella fueorum, p. 266, fig. 180. 
On mimicry in Diptera ; Sci. Goss. xxi. p. 241. 
Highly magnified figures of antennge of numerous Diptera are given in 
J. Micr. & Nat. Sci. iv. pis. v.-vii. 
Diagrammatic sketches of mouths of Drone-fly and Blow-fly ( Syrphidcc 
and Musciclce) ; t. c. p. 263, pi. xxiii. 
Wulp (375), p. 70, in a note, informs us that original coloured draw¬ 
ings of Doleschall, representing most of the species described by him, are 
in the hands of M. J. Puls, of Belgium, and accurate copies thereof 
belong to the Dutch Entomological Society, Leyden, and to Baron Osten • 
Sacken, 
Kowarz, F. Beitrage zu einem Verzeichniss der Dipteren Bohmens. 
Wien. ent. Z. iv. pp. 105, 133, 167, 201, & 241. 
These pages comprise many notes of value and tables of the characters 
of species, from Syrphidce to Penium. The following are the more im¬ 
portant, viz. : Melithreptus , varieties and species tabulated, p. 133 ; table 
of species of Syrphus, pp. 134, &c. ; some synonymical observations on 
Syrphi , pp. 167 & 168 ; tables of species of Melanostoma , p. 201, of Platy- 
chirus , p. 202, of Ghilosia, pp. 204 & 206, of Chry sag aster , p. 208 ; pp. 
241-244 deal with Pipiza and allied genera. 
Cecidomyiid^. 
[Of Low (197), Riley (283), Schlechtendal (304), Thomas (340).] 
A year’s work among the gall-gnats ; Inchbald, Ent. xviii. p. 311. 
Note on the papilla-like organs of Cecidomyia larva ; Verh. z.-b. Wien, 
xxxv. p. 331. 
Low, Verh. z.-b. Wien, xxxv. pp. 489-498, gives information about C. 
persicariee, L., serotina , Winn., euphorbia , Lw., salicis , Schr., galii, Lw., 
asperulce, Lw., hieracii , Lw., marginem-torquens, Winn., terminalis, Lw., 
rosarum , Har., taxi , Inch., bechiana , Mik, Diplosis helianthemi, Har., 
