( elxxx: ) 
difficult to judge this accurately owing to their peculiar 
position and arrangement; inside this miniature crater the 
true androconia are placed, those at the circumference being 
at a much lower angle than the others, which become more 
vertical towards the centre, the centre itself being also at a 
perceptibly lower level than the rest, and we must suppose 
therefore that the androconia are shorter in the middle; these 
scales in their vertical position are very deep coffee brown, 
though those on the circumference, where more of the scale 
is visible, become paler. This brand (a very beautiful object) is 
quite complete in itself, but at the upper posterior corner (not 
that there can be a real corner to an almost circular object) 
there is an extension, which has the appearance of a gradual 
development into a second brand; it is very pale coffee brown 
in colour (the other to the naked eye is black), and extends 
over the bases of the subcostal veins across the cell to vein 5; 
the scales are minute in comparison with the blue ones around, 
and are set at quite a different angle; this extended sex mark 
is not set in a pit as the other, but is more on the usual plane 
of the membrane though it is evident at the base of the sub- 
costal veins that some alteration is in process of development. 
Thecla polybe shows this process of development in a more 
advanced condition, the two black brands being very marked, 
but the second one has not yet created the pit in the mem- 
brane as has the first; this species has not by any means the 
‘crater-like arrangement of phaleros, though it is in a pit, 
the difference being that there is no outer ridge around it, 
but the blue scales are set petal-ways up to the depressed area 
in which is the brand; the androconia within are deep black 
even under the microscope, the surrounding scales are very 
broad and square, broader than long, and with an arched apex ; 
whilst the inner layers of the surrounding scales are of different 
sizes, all are very broad with broadly scalloped apices, some 
assuming almost a truncated “ fleur de lis” shape : the blackish 
androconia are of moderate length, rather narrow, equal in 
width, with strongly arched apices, these being set, if not 
erect, at a very high angle; this brand is finely separated from 
the outer one, which is also blackish and of almost equal size, 
not being set at quite so low a level; the androconia are nearly 
