106 



darkly speckled form. The progeny consisted of 64 males, 

 of which 26 were of the donblcdayaria form, 20 resembled the 

 female parent, and 18 were lighter ; and Sg females, of which 

 there were 44 var. donblcdayaria, 22 dark speckled fonns, and 

 23 lighter. Thus, in the whole brood 45'75 per cent, resembled 

 the male parent, 27'45 per cent, resembled the female parent, 

 and 26*8 per cent, were practically typical .4. bctularia, and 

 much lighter than either parent. 



Mr. Adkin also exhibited a va.viety oi Abraxas i^russulariata, 

 in which the fore-wings were practically all black to beyond 

 the yellow line, which was indicated by a small elongated 

 spot on the inner margin ; one from which the yellow line 

 was absent, both reared from wild larva; ; and a richly 

 coloured specimen of the var. lacficolor obtained by inter- 

 breeding. 



Mr. R. South exhibited a series of aberrations oi Polyom- 

 iiiatus {Lyccena) icariis, female, from the North Downs (June, 

 1909). The sixteen female specimens of P. icariis exhibited 

 had been selected from about twice that number of examples 

 that were retained after examination in the field. 



The species was fairly plentiful at Oxted and Chipstead 

 in the early summer of the present year, and as the days in 

 June convenient for a visit to one or other of the localities 

 named were always dull, sometimes wet, the butterflies were 

 easily overhauled as they rested on grass-stems or among 

 the herbage. 



In making captures for the series the idea was to select 

 only more or less blue-coloured females that showed either 

 well-developed orange markings, or with such markings 

 almost or entirely absent. Not a single specimen could be 

 found that was wholly free of orange lunules or spots ; one 

 or two, however, came near requirements in this direction. 

 Specimens with conspicuous orange markings were not 

 frequent, but four examples were secured that had these 

 markings well developed. 



By far the larger number of specimens inspected were 

 brown, with more or less of the basal area of each wing blue 

 in colour or sprinkled with blue scales. Only one example 

 without some trace of blue was noted, and this specimen 

 was annexed because the hind marginal marks on the left 

 fore-wing were pale ochreous, instead of orange as on the 

 other three wings. 



Perhaps the most uncommon aberration in the series is 

 No. 8. This is of a greyish-blue coloration. The fore-wings 

 have four orange lunules inwardl}' edged with black, the 



