20 THE ENTOMOLOGIST S RECORD. 



males where the bands are broken up into little rings, and in which 

 the whole ground colour is of a much greyer tone, and these I have 

 called ab. pallida. Only five examples were obtained, and in each case 

 four spots are developed on the forewings. Before concluding the 

 upper sides there is still one more form to be mentioned, and that is 

 the ab. flarciurm, Tutt, in which the fulvous bands of the females are 

 of a pale yellowish, instead of orange-red. Only two of my specimens 

 fall under this head, and, strangely enough, they happen to be the one 

 containing the six spots, and also one of the two containing the five 

 spots in sections 1, 2, 3, 4, 5. With regard to the undersides of the 

 males, the usual form has only three spots on the forewings in sections 

 2, 3, 5, but I have two with four in sections 2, 3, 4, 5.''' To make 

 quite sure of the hindwings it is absolutely necessary to use a magni- 

 fying glass, as in many cases the white points are almost indiscernible 

 to the naked eye. I have gone carefully over some hundred or more 

 male and female specimens, and find that the usual number is three or 

 four. Nine males have five spots and fifteen females the same 

 number more or less developed, whilst only two females have two, and 

 one female six on the right wing only. Two striking aberrations in the 

 males are worth recording. In the one the bands on the fore- and 

 hindwings are almost obsolete, with the spots very small indeed, and 

 in the other the whole ground colour is of a very pale grey, with the 

 bands on the forewings higher than in the type, and more resembling 

 those of the females. The only two other forms that I have to men- 

 tion, and which both belong to the females, are the ab. nchracca, in 

 which the two areas that are grey in the type become distinctly 

 ochreous, and the ab. Icnrotaenia, Stdgr., which is an extreme form of 

 the type, the whole fascia becoming almost white. In this particular 

 locality the ab. ochracea far outnumbers the type, and I have been able 

 to obtain some very beautiful and striking examples. Only one 

 specimen comes under the heading of ab. leucotacnia, and in this the 

 red-brown transverse band is very much restricted and broken up, 

 allowing the two grey bands to join one another along the whole 

 length of the inner margin, and for about one-third of the distance up 

 towards the costal margin, and beyond this the brown band is twice 

 broken up, allowing the grey bands to go through and join one another 

 again. This gives the wings a very white and silvery appearance, 

 which is increased OAving to the outer brown marginal area being 

 somewhat narrower than in most specimens, and of a very pale colour. 

 Before concluding I have to thank Mr. Tutt for a series of the forms 

 he took at Susa, an account of which will be found in Ent. Record, 

 1898, p. 120. These are much larger than our English ones, and very 

 well ocellated. The undersides of the males are much darker, and one 

 interesting specimen amongst the females . has four spots developed on 

 the upperside of the forewings in sections 1, 2, 3, 5, a form which 

 certainly must be very unusual with us. Finally, on comparing my 

 notes with those of Mr. Tutt, I think we may safely come to the 

 conclusion that the species in its most southern English locality is a 



* In the females the usual number is three][ancl four^in sections 2, 3, 5, and 

 2, 3, 4, 5, respectively, but one specimen has the four spots in sections 2, 3, 5, G. 

 Only one has the five spots in sections 1, 2, 3, 4, 5, but four have them in sections 

 2, 3, 4, 5, 0. 



