Trans. Ent. Si MC. / Onda. TOQOO. Plat DO’ | Ff 
ITHIOMIIN AE. HELICONINE. 
14 
Melinea mareme (7). Fleliconius ¥ numata (7). 
Alfred Robinson, phot. Witherby 
All figures are * of the natural s 
Parallel transition from barred to black hind wing in an Ithomiine butterfly and its Heliconin: 
(Miillerian) Mimic; from the Potaro River, British Guiana. 
