234 Chrysope observed in the Eastern Pyrenees, ce. 
of C. flava and C. vittata, published in the Ent. Month. 
Mag., vol. xx., pp. 161—163. I there alluded to the 
examples from Central Italy, and my characters of the 
male appendages were drawn up from the male from that 
locality (and therefore presumably guadarramensis), and 
do not apply to the true male of flava, in which the 
appendages are much more like those of vittata, the 
chief difference being that the inferior appendage in flava 
is obtuse, and carries a tuft of hair at the apex, whereas 
in vittata it is acute and very sharply upturned.* 
This matter is of serious import, because it proves 
that two species differing in nothing but what is usually 
considered an unessential colour character (flava and 
guadarramensis), so far as general characters are con- 
cerned, yet differ remarkably in the structure of the 
appendages of the male.t It so happens that in the 
group to which flava and its allies belong (and which also 
includes pallida, Schnd.) is almost the only one in which 
the male appendages are prominent and easily dis- 
cernible in dry individuals. Whether an examination 
of these parts in living or freshly-killed examples in 
species of other groups might throw light on the puz- 
zling variations (so assumed) of some species, remains 
to be proved. 
* C. gquadarramensis has no relationship to C. 7-punctata, with 
which pallens, Ramb., is identical. This is mentioned on account 
of the comparison drawn in Pictet’s description. 
+ I have again alluded to the subject in the Ent. Month. Mag., 
1893, pp. 108—109. 
