308 Mr. Kenneth J. Morton on Odonata. 
P, lidentatum, n. sp. 
¢. Discoloured ; colours very likely blue and bronzed black. 
Labrum reddish ; epistoma above black, frons reddish, vertex black 
with very large triangular bluish postocular spots connected by a 
distinct transverse line. 
Prothorax pale marked with black. 
Thorax above with a black line on either side of the median suture 
and black shoulder stripes, otherwise blue. 
Legs yellow; femora of anterior distinctly marked with black 
externally, others faintly marked. 
Abdomen above with black-bronzed markings margined with blue. 
1 with a large sub-quadrate spot; 2 with thistle-shaped marking 
connected with a black apical line; 3-6 with elongate markings 
broadest before the apex ; in 3 reaching the base, in 4, 5, 6 markings 
more lanceolate not reaching the base ; 7, 8, 9 probably all bronzed 
black with narrow blue sutures ; 10 black. 
Superior appendages seen from side nearly straight above, termin- 
ating in a black, slightly-down-turned hook, from the hook the 
posterior margin curves strongly inwards, the lower margin being 
produced into a strong tooth which from above is seen to be bifid. 
Inferior appendages short and rounded. 
Length of hind-wing, 16} mm. ; of abdomen, 23°75 mm. 
Deesa, February, 1 f 
Ceriagrion coromandelianum, Fabr.—Deesa, February, 
August and October. 
Agriocnemis pygmea, Ramb.—Deesa, July. 
Lestes barbara, Fabr—Kashmir, 5000-6000 ft., May. 
L. gracilis, Selys—Deesa, October; a single 2 referred 
here with slight doubt. 
Sympycna fusca, Eversm.—Quetta, June, 1 fg. 
EXPLANATION OF PLATE XXIV. 
[See Explanation facing the PLATE.] 
