INDIAN DRAGONFLIES. 
909 
Liferior appendages one-fifth the length of superior, brown, black at the end, 
nearly linear, narrowly triangular at the base. 
Female similar to the male, the basal spot of wings more extensive, reaching 
to the 3rd antencdal nervure. Anal appendages veiy long and slender, broaden- 
ing foliately in the second half. 
Legs black (or yellow in teneral specimens). 
Type in the Selysian collection from the Philippmes. Reported from Burma. 
Gynacantha subinterrupta, Ramb, Ins. Nevr. p. 212 (1842). 
Acanthagyna subinterrupta, Kirby, Cat. Odon. p. 95 (1890); id, Linn. 
Soc., Journ. Zool., XXIV, p. 558. 
Gynacantha subinterrupta, Martin, Cat. coll. Selys, fasc. XIX, XX, p. 
193, (1909). 
Male. Abdomen 58 mm. Hindwing 45 mm. 
Head. Labium, labruin and face olivaceous yellow ; frons yellow marked 
with a thick, black T above ; occiput very small, black bordered behind with 
yellow, slightly notched and ciliated. 
Thorax dark yellow or ochreous, rather darker on the dorsum, spotted with 
blue at the attachments of the wings. The sides yellowish. 
Legs reddish yellow. 
Abdomen very tumid at the base, markedly constricted at the 3rd segment, 
then cylindrical and of even width to the anal end. Oreillets large, bordered 
with 6 to 7 small teeth. Dark reddish brown, the bases of segments paler, each 
with a basal pair and an apical pair of ochreous spots, segment 1 is yellow at 
the base, 2 has only 2 median spots of yellow, 10 is red on the dorsum, black 
at its apical border. 
Superior anal appendages long and slender, browoi, considerably longer than 
the combined length of segments 9 and 10, very slender at the base, then dilated 
inwardly and again narrowing so that the inner border is sinuous; inferior very 
narrow, triangular, truncate at the apex which is turned up and slightly bifid. 
Wings moderately broad, reticulation close, a little reddish at the base; mem- 
brane very small, whitish ; stigma short, yellowish brown ; costa yellow ; some 
basal spots not very evident in the forewings but more marked in the hind 
between the subcosta and median nervures and submedian and postcosta ; Rs. 
forked a little before the level of stigma ; anal triangle with 3 cells ; tornus rather 
prominent ; nodal index 22-28, 30-22. 
Female similar to the male, the abdomen more tumid at the base and the 3rd 
segment less eonstricted. Anal appendages long, slender, foliate. 
Abdomen 57 mm. Hindwing 52 mm. 
Type in the Selysian collection is from Java. Other specimens are from 
Papua. Hagen reports it from Rhambodda, Ceylon. 
Gynacantha o’doneli, Fraser, Journ., Bom. Nat. Hist. Soc., Vol. XXVIII, 
p. 700, 1922. 
Male. Abdomen 41 mm. Hindwing 39 mm. Anal appendages 4 mm. 
Head. Labium brownish, labrum, face and epistome yellewish green, very 
rugose : upper surface of frons dark olivaceous green, unmarked ; occiput bright 
yellow, rather small. Eyes brown but probably blue or green during life. 
Prothorax pale fawny, the posterior lobe fringed with a ruff of long, yellowish 
hair. 
Thorax olivaceous brown on the dorsum, greenish yellow on the sides. 
Legs palest brown or yellowish, the hind femora with a row of closel3^ set, 
evenly spaced, short but robust spines. 
Wings very ragged, deeply and evenl)' enfumed with brown ; stigma brown ; 
13-22 18-13 
nodal index : — ; trigones with 5 cells ; hypertrigones traversed 4 
16-14 
15-15 
