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SOUTH-AFRICAN BUTTERFLIES. 
This Fapilio is not distantly related to F. Thersandcr, Fab.,^ from 
West Africa, but differs markedly in the form and superiorly outward 
curve of the discal macular band in the fore-wings, in possessing a 
large disco-cellular spot in the same wings, and in the broader, shorter 
tails of the hind-wings ; while on the under side the basal yellowish- 
white of the fore-wings and discal blackish clouding of the hind-wings 
are quite w^anting in Thersandcr. The very singular elongate hatchet- 
shaped first spot of the fore-wing band in Gonstantinus is evidently 
formed by the extension and coalescence of two widely separate spots 
which lie between the corresponding nervules in Thersandcr. 
This plainly-coloured but strikingly marked butterfly was first described 
from East-African examples, and has since been found to occur at several 
points on that side of the continent ; but Herr Moschler has now recorded it as 
inhabiting also the remote Gold Coast. Mrs. Monteiro informed me that the 
species was not uncommon at Delagoa Eay, and had much the same habits as 
P. Demole^is. Stragglers have been met with in the Eastern Transvaal and 
upper districts of Natal ; and in the latter country Mr. J. M. Hutchinson, 
who met with five specimens on the Bushman River, a few miles below Est- 
court, in the year 1881, informs me that the butterfly was confined to tracts 
known as the " Thorns." He notes that its flight was comparatively weak, 
and that it frequently settled on low flowering plants, and was much more 
easily captured than Demoleus. 
Localities of Pa^nlio Gonstantinus. 
I. South Africa. 
E. Natal. — Estcourt (/. M. Ihitcliinson). 
H. Delagoa Bay, — Lourengo Marques {Mrs. Monteiro). 
K. Transvaal. — Lydenburg District {T. Ayres). 
II. Other African Regions. 
A. South Tropical 
h. Eastern Coast. — "Bagamoyo." — Oberthiir. Mombasa: "Ribe." 
— Ward. 
hi. Eastern Interior. — Lotsani River (F. C. Selous). "Kilima- 
njaro {F. G. Jaclcson).'''' — Butler. 
B. North Tropical. 
a. Western Coast. — Accra: " Aburi (TFez^/e)." — Moschler. 
1 I had for long supposed, with Mr, Kirby, that this butterfly would prove to be the 
? of P. Phorcas, Cram. [ — Boreus, Fab.) ; but Mr. Distant {Proc. Zool. Soc. Lond., 1879, 
p. 648) states that two s of Thersandcr had been received by Mr. Horniman from Aburie, 
near Accra, and that they differed from the ? in having all the macular markings pale- 
yellow instead of creamy- white. This discovery would leave the ? of the green-banded 
Phorcas still unknown ; but I find that Herr Moschler {Ahhandl. Senclcenberg. Naturf. 
Geselhch., 18S7, p, 51) mentions having received both sexes of Phorcas from Accra and 
Aburie, and although he quotes Thersander, Fab,, as the 9 , his note on two (apparently 
aberrant) examples of that sex, in which the " griine Grundfarhe " is more or less tinged 
or replaced by ochre-yellovv, appears to indicate that the normal colouring of the central 
band is green in the ? as well as in the i . 
