64 THE ENTOMOLOGIST. s 
NOTES ON THE VARIATION OF PERONEA CRISTANA, 
FAB., WITH DESCRIPTIONS OF SIX NEW FORMS, 
AND THE REASONS FOR SINKING THE NAMES 
AT PRESENT IN USE OF SIX OTHERS. 
By W. G. SuHexpon, F.Z.8., F.E.S. 
(Continued from p. 39.) 
There is one feature that strikes one forcibly in looking through 
this collection—that the size of the button is rapidly increasing. 
This is not my own view only : amongst others Mr. South, whose 
knowledge of the species far antedates mine, has pointed it out, 
and there does not seem to be any doubt about it. With the 
exception of the ruficostana group one rarely nowadays sees 
a specimen without a button. On the other hand, all the forms 
without buttons, or with only small buttons, were either named 
in the first half of the last century, or they were named from old 
specimens (of course excluding some of the ruficostana group), as 
the following list of names will show: Alboflammana, Curt., 
xanthovittana, Dsvgs., unicolorana, Dsves., prochantana, Clark (from 
old specimens), vaughaniana, Webb (old specimens), prostriana, 
Clark (old specimens) fulvana, Sheldon (old specimens). Of 
these forms the only modern examples I have seen alive are one 
each of prostriana and xanthovittana. 
The Webb series contains so many rare forms it will perhaps be 
interesting to enumerate the most important of them, including— 
Ab. alboflammana, Curtis. A fine series of 24 examples, all 
old and on white pins, including 5 Bond, 1 Clark, 2 Harper, 
the rest unlabelled. 
Ab. subalboflammana, Clark, the type, and 4 others, one of 
which is labelled “‘ Clark Colln.,”’; the others are unlabelled, 
but presumedly they are from the same source. 
Ab. unicolorana, Dsvgs. Thirty-three examples, all on white 
pins, 9 of them on the old round-headed pins, 10 labelled ‘‘Bond,”’ 
1 ‘* Burney,” 1 ‘‘ Clark,” the remainder unlabelled. 
Ab. xanthovittana, Dsvgs. <A fine series of 17 examples, 
including Clark’s type of proxanthovittana, which is without 
data. All are old specimens on white pins, 7 labelled ‘‘ Mason,” 
1 “ Clark,” and 1 “‘ Bond,” the remainder are without data. 
Ab. nigropunctana, Clark. The type (without data, a some- 
what old specimen mounted on a gilt pin), and 7 others, of which 
1 is labelled ‘‘ New Forest, 1891,8.W.,” 2“ Bond,” 1 (on black pin) 
“New Forest,” probably from Clark Collection, 1 on black pin, 
unlabelled, but probably from Clark, and 2 old specimens 
on gilt pins, unlabelled. 
Ab. prochantana, Clark. The type (without data) and 12 others 
all on white pins, one of which dates ante 1850. All are without 
data except one, which has been labelled by Webb, ‘‘ Clark.” 
