Note 107 — Part II. ON THE FINAL CAUSES OF TRANSFORMATION. (continued 2)

[Figures of a remarkable case of gynandromorphism in a butterfly (Cirrochroa Aoris, Doubl.) have recently been published by Prof. Westwood (Trans. Ent. Soc. 1880, p. 113). On the right fore- and hind-wings of a male specimen there are patches of female colouring, thus bearing out in a very striking manner the above views concerning the non-fusibility of characters (in this case sexual) which have been long fixed. Complete (i.e. half-and-half) gynandromorphism is not uncommon in butterflies. R.M.]