INDIAN DRAGONFLIES, 485 
Genus—A/scHna, Fabr. 
Fig. 2. Anal appendages of (i) Hschna juncea, (ii) Aschna mixta, (iii) 
Cephaleschna masoni. 
fschna, Fabr., Syst. Ent., p. 424 (1775) ; Leach., Edinb. Encycl., ix, p. 137 
(1815); Steph., Ill. Brit. Ent. Mand., vi., p. 82 (1836); Ill. Mag. 
p- 126 (802) ; Selys, Mon. Lib. Eur., p. 98 (1840) ; Rev. Odon., p. 112 
(1859) ; Bull. Acad. Belg., (3) v. p. 728 (1883); Ramb., Ins. Nevr., p. 
192 (1842) ; Kirby, Cat. Odon., p. 86 1890); Laidlaw, Rec. Ind. Mus., 
Vol. xxii., p. 75 (1921). 
Eyes moderately contiguous ; frons moderately rounded as seen from above; 
occiput small or mediocre ; wings moderately broad and long, reticulation close 
or moderately close ; trigones elongate, of 3 to 5 cells ; subtrigones entire or of 
2 cells, cubital space and hypertrigones traversed several times, the latter rarely 
free. 5th nervure (Rs) bifurcated after the level of or before the inner end of 
stigma ; stigma short or long ; arcular (basal) space entire ; membrane variable ; 
anal border of hindwing in thej;male excavated ; anal triangle long and narrow, 
divided into 2 or 3 cells. Abdomen subcylindrical, generally tumid at the base 
and constricted at the 3rd segment; anal appendages large or mediocre, sub- 
lanceolate, the inferior long and narrow, subtriangular or a little truncate at the 
end. 
Female with the 10th abdominal segment subrounded below (the dentigerous 
plate) subdenticulate or spined. Anal appendages variable. 
Hab. Cosmopolitan. Type of genus, Aeschna, juncea, Linn. 
Aschna mixta, Latr, Hist. Nat. Crust. Ins., xiii., 7, (1805); Charp. Hor. 
Ent., 35 (1825); Charp,, Lib. Eur., 110 t. 19 (1840) ; Selys, Mon, Lib. 
Eur., 102, (1840); id. Rev. Odon., p. 122 (1850); McLach. Cat. Brit. 
