Odonata from Mesopotamia. 299 
1 g, 28. iv. 1918; 2 2 9, 23. iii., 15. v. 1918 (Amara) ; 
14,7 2 2, 26-29. iii.1919 (Basra) (Avans). 
Like a small C. erythrea, but with the venation opener, 
and except at the extreme base almost entirely black ; ante- 
humeral lines and pale inter-alar line not noticeable in the 
material examined ; no trace of yellow in the fore-wings ; 
basal patch in hind wings small, sometimes traces of yellow in 
the basal cellule between Sc and R+M, yellow not extending 
beyond Cuq and the inner boundary of anal loop and hardly 
to the anal angle. In discoidal field of fore-wings usually 
only two rows of cells near the triangle: in four males and 
females, cells between M* and Cu! 
22922 22993 22223 i 32223 ’ 
Oo-+ 59995 - 59333 ° 22233 (Basra), 32223 (Amara). 
32333 222293 32293 22 
$$. 35933 ° 93003 ° 32085 22233 
Wg cide Mec TATE: @ BE 8k, SL USL. 
Rte TE US aT 6 TE-OE Oe TES Te 
Pterostigma 24-3 mm. Length of hind wing about 25 ¢, 
26 mm. @. 
The following remarks on the colours are mainly from 
Brewitt-Taylor’s notes on the living insects :— 
$ (adult). Eyes: upper two-thirds cherry-red, blue below. 
Face brick-red; mandibles dirty yellow. Thorax olive-brown, 
Jegs concolorous. Abdomen above glowing cherry-red ; seg- 
ments 8-9 on the dorsal carina with black markings which 
are broadest posteriorly ; appendages brick-red, paler at the 
tips; ventral surface dirty reddish yellow with black median 
line. 
2 (juv.). Eyes above red-brown, lower part bluish ; face 
pinkish, mandibles white. Thorax pale brown above, whitish 
beneath. Abdomen pinkish brown with fine black carina, 
markings above-mentioned distinct on 8-9 ; segments finely 
margined with black lines and a small black dot on each side 
of dorsal carina on posterior part of 4-7; segment 10 and 
appendages pinkish brown, underside pale pink with black 
median line. 
(B.-T. adds that the 9 does not differ much from the g, 
but is perhaps a little more salmon-pink in colour. There 
seems, however, to have been some confusion with regard to 
the sex of some of his younger specimens.) 
? (more adult). Eyes: upper half dark red-brown, lower 
part bluish. Face brownish, lower part whitish ; thorax 
olivaceous, sides bluish (? slightly pruinose) ; abdomen above 
