m THE EASTERN ABCHIPELAGO. 173 



represented in Ceylon, Frequenting dark-coloured tree-stems, 

 I observed (and secured) some fine specimens of iloclcs of 

 Amiiosia decora. It has a curious habit of settling high up, 

 then running down the trunk, stopping at intervals flapping its 

 wings; tlien flying off to a neighbouring stem to perform ilio 

 same manoeuvres, A feu- miles from Hoodjoong f captured 

 the Eiisemia helangeri spread out on broad leaves of Srifa- 

 minem. It emits a powerful odour of cloves. Several sjiecies 

 of lepidoptera mimic members of the Agaristiflu^, but I di'l 

 not discover here if Eusemia Mangtri had a (hulJ^, Fmrn 

 the island of Nias (on the west coast of Sumatra) ^fr. Butler 

 has recently described (Ann. and Mag. of Nat. Ilitt., July 1884) 

 a moth, a species of Eitschemidm {Tanctthia limnlans) uhiuh 

 mimics Ophthahm deeipiens (of the Agarisfidw); while in 

 Amboina, Ophthahm lincea (which belongs to the same family) 

 is mimicked by Artam sirmtlans (of the Li})aridm). 



13 



