a 
( xiii) 
Delagoa Bay, by Rev. H. Junod, 22nd January, 1891. In 
all three the inner-marginal fore-wing patch and the hind-wing 
patch are larger than in your fig. 1, but vary in size. All the 
markings in all three are rather strongly tinged with dull 
ochreous-yellow. Your fig. 1 is not coloured, but you give 
some account of the colouring in the “ Explanation” and at 
pp. 293-4, from which I gather that the tint of the fore-wing 
(but not that of the hind-wing) markings is much deeper and 
richer, and more like that shown by planemoides, than any one 
of my three ? 9 exhibits. In my specimens ai/ the markings 
are of about the same pale ‘buff’ tint, with only a slight 
inclination to a rufous tinge. 
‘‘T can quite imagine a tendency of planemoides to crop up 
occasionally in the progeny of the 8S. African sub-species, 
notwithstanding the remoteness of the equatorial model. 
indeed, something of this kind is noticeable in Cape Colony, 
where the /ippocoon form is occasionally met with as far as 
P. cenea extends, although its model Amauris dominicanus 
is wholly absent.” 
An Kast African variety of the female dardanus, described 
and figured by Aurivillius as mixtws (Arch. f. Zool. Bd. 3, 
No. 23 (1907), T. 2, f. 2), presents many points of resemblance 
- to leighi, but is intermediate between this form and the East 
African planemoides described below. Mixtus differs from 
leight and approaches the example of planemoides in the 
greater development of the fulvous marking along the inner 
margin of the fore-wing, in the greater length and size of 
spot 5 (within the cell), and in the whiteness and the much 
greater size of the hind-wing patch. Mixtus also apparently 
differs in the far paler tint of the fulvous markings. 
In such a protean species as dardanus I do not think it is 
convenient to give separate names to all the single varieties 
and transitional specimens, but in leighi we have a form that 
is not only distinguishable but possessed of sufficient stability 
to appear again and again over a very wide area. Furthermore, 
it is the only planemoides-like form known in Natal. 
PAPILIO DARDANUS, Brown, FEMALE FORM PLANEMOIDES, 
TRIM., FROM THE Coast oF British East Arrica.—Prof. 
Pou.ton also exhibited an example of the planemoides female 
