89 
Dr. T. A. Chapman 07i Calloj)hrys avis. 
The androconia (Plate XVI) of both species are parallel¬ 
sided with rounded extremities, those of C. avis are 
apparently rather more loaded with pigment. There is, 
however, a very notable difference in form between them. 
Those of G. avis are short and broad, of C. ruli long 
and narrow, i. e. compared each with the other. 
The following figures are the result of measuring 
thirteen scales of each, taken at random, just as they 
came. They are of course not so accurate as if a much 
larger number were taken, but are probably not far out, 
as they agree with one’s impressions on looking over a larger 
number. 
Lengtli in 
nan. 
Average. 
Greatest. 
Least. 
C. rnhi 
0-1.3 
0-190 
0-1 
C. avia 
0-11 
0-154 
0-1 
Widtl). 
G. rubi 
0-0308 
0-015 
0-024 
C. avis 
0-0300 
0-054 
003 
The relative measurement of the palpi (Plate XXI, 
fig. 1) in the two species is interesting, especially in view 
of Rambur’s note on his Andalusian specimens of C. 
Tuhi (?). 
The actual lengths of the three palpal joints in the two 
species are in millimetres. 
C. a vis. 
C. rubi. 
First joint 
0-57 
0-60 
Second joint 
1-20 
1-00 
Third joint 
0-48 
0-60 
The second joint is also slightly more robust in G. avis. 
In G. rubi its end is nearly transverse; in G. avis it is 
sloping, so that its upper margin has much the aspect of 
ending in a spine. In both, the end of the third joint 
looks truncate and has the well-known terminal tube. 
The male ancillary appendages (Plate XX) are very 
similar, quite within limits that are exceeded by mere 
variation in many species, but we know that in several 
groups of Lycaenids, specific and even generic, differences 
are often very small. 
In this case all the G. rubi examined absolutely agree 
