346 
THE BUITERFLIES OF MESOPOTAMIA. 
By H. D, Prem, F.E.S, 
Part II, 
(continued from page 70 of this volume). 
(With a Plate.) 
PIERIDAE. 
Key, 
A. Ground colour white— 
a. Underside h.w. no green markings. 
a‘. U.h.w. veins not black bordered. 
wv, apex of forewing black above .. . Pieris brassice. 
5°. apex of forewing plain above .. . Pieris rape. 
ce’, f. w. above, apical, markings slight; 
spot between veins 6 & 7; discal 
spot nearer termen .. ae . Pieris napi, pseudorape. 
d°, Apex f. w. very pointed. 
U. h. w. yellow; size small .. . . Pieris ergane. 
b'. U. h.w. veins broadly bordered with black. Belenois mesentina. 
5. Underside h.w. markings green. 
a’, U. hw. green edging to terminal portion 
of veins clavate.. st .Pontia daplidice. 
b'. Underside h. w. with vein closing cell 
white or yellow, bordered with green..Pontia glauconome. 
e', Underside h.w. green edgings to terminal 
portion of veins straight not clavate.Pontia chloridice. 
#. U.h.w. white areas in form of spots not 
bands... : .Euchle ausonia. 
2', U. h.w. white and green transverse bands, Euchle belemia. 
f°. Underside h.w. uniform green except few 
minute white spots .. a . Euchiea transcaspica. 
g'. A brown ringed silver spot in centre of 
h.w. beneath: cilia pink; ~ black 
terminal band on h.w. ; .Colias croceus 2 f. pallida. 
h'. U.h.w. a green and yellow 4 branched 
patch occupying base and centre. 
Up f.w. apex grey usually enclosing 
an orange patch me i . .Zegris eupheme. 
B. Ground colour yellow— 
a. Scalloped margin to wings, small orange 
spot in centre of each wing... . .Gonepteryx farinosa. 
b. Brown ringed silver spot in centre of h.w. 
cilia pink. (f. d. helice has cream grd. 
col. varying in shade) .. ne . Colias crocea. 
C. Ground colour Salmon pink .. a . Colotis fausta. 
Genus BELENOIS, Hb. (AnapHzis, Hb.) 
B. mesentina, Cr. Seitz. 1.21d & e. F. B. I. (Bingham.) Vol. II, p. 156. 
Key : Colour white and black above. H. w. beneath, veins broadly bordered 
~with black. 
rs 
