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VIL. The polymorphic Females of Cymothoe  theobene 
Dbl.-Hew. The Specimens captured, and Families 
bred from known Female Parents by W. A. Lamborn. 
By Prof. Poutton. 
Ir is exceedingly interesting that Farquharson should 
have repeated at Moor Plantation in 1915 the breeding 
experiments conducted by Lamborn at Oni, 70 miles 
KE. of Lagos, in 1912. No account of these results or of 
Lamborn’s captured specimens has hitherto appeared, 
and, inasmuch as they add another and very striking 
example to the list of butterflies with polymorphic females, 
I take this opportunity of describing them. The new 
female forms, which are very variable and are transitional 
into one another, may be grouped as follows :— 
A. Lutescens, 9 f. n. 
The white median band of F. and H.W.s of the 
theobene 2 is more or less invaded by orange, which 
also often appears around the blackish spots of the 
irregularly curved row distal to the band and around 
the spots of the submarginal lunulate line. The black- 
brown basal area of both wings also acquires a yellowish 
tinge, and, in the darker examples, the sharpness of its | 
distal edge is obscured. The orange may perhaps be 
explained by transference from the male, but it is com- 
monly accompanied by dark pigment, the two together 
producing an appearance altogether different from the 
theobene 2. The lutescens form is transitional on one side 
into theobene and on the other, by increase in the dark 
pigment, into the following :— 
B. Nigro-lutescens, 9 f. n. 
In this form the dark pigment tends completely to 
overspread the white area of theobene, in both wings. 
Combined with it the orange, becoming very faint in 
the darkest examples, occupies the positions described 
above. In spite of this increasing faintness accompanying 
TRANS. ENT. SOC. LOND. 1921.—PARTS III, Iv. (JAN. ’22) 
