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APPENDIX 
definite line of division between these two genera has been proved to exist. 
As regards the females also it is well known that M. orsis and E. 
acontius agree perfectly in the arrangement of the spots on the 
wings, spots which, entirely yellow in the latter, white in the former 
species, are very different from those of the female of E. numilia. This 
comparison of the female patterns may further contribute to strengthen 
the doubt expressed above. 1 
1 See also Fritz Muller’s paper on “ Epicalia acontius. An unequal pair ” 
(Kosmos, IV. (1878-9), pp. 285-292), of which an abstract by H. Miiller appears in 
Cams’ Zool. Anzeig., I. (1878), p. 13.—E.B.P. 
