NOTES ON THE BUTTERFLIES 25. PAPILIO LYCOPHRON (Hub). The only locality I have recorded for this butterfly is Corozal in the Northern District. On a lime tree growing in the dense forest a few miles from the town of Corozal, in the month of July, I found a number of larvae evidently belong- ing to the Papilio family, but I was ignorant of the species. The majority of them were of a beautiful dark orange colour with a blackish- brown saddle mark. Of these I found about twenty. The others which were feeding with them were throughout of a greyish or greenish- brown colour and I was only able to find four or five of these last. The orange-coloured larvae developed into Papilio ornythion (Bates) while the brown ones proved to be Papilio lycophron (Hub). I sent specimens of both these insects to the Natural History Museum in London where they were identified. This is the only occasion that I have ever come across this butterfly. 26. PAPILIO ORNYTHION (Bates). As mentioned in my notes regarding Papilio lycophron I found a number of the larva of this insect feeding on a lime tree in the Corozal District and from them I was lucky to breed both males and females. I visited the lime tree again the following year in the hope of securing more