1881.] Lepidoptora of tlw Andaman Islands. 253 



lines of grey scales with which P. androgens is more or less conspicuously 

 ornamented between the veins and folds of all its wings, but especially of 

 the posterior pair, on the upperside. P. mayo is also adorned in the anterior 

 wings with radiating shorter lines of luteous grey scales, a point not 

 mentioned by Atkinson nor represented by him in his figure. 



It is a well-known fact that the Continental P. androgens is provided 

 with three different forms of female, two tailless like the male and one 

 tailed, which mimicks the red-spotted P. doubledayi just as the corre- 

 sponding female of the closely allied P. memnon does the yellow-spotted 

 P. coon. The two rare tailless females of its Andaman representative 

 have not yet been detected ; but there is no doubt whatever that in the 

 P. charicles of Hewitson we have the commoner tailed form, which mimicks 

 the red-tailed P. rhodifer. Our first specimens of the supposed two species 

 were captured by the native collector Moti Earn in 1872 all together in 

 the same spot ; and all the numerous specimens (upwards of fifty in num- 

 ber) of P. mayo which have passed through our hands during the past two 

 years are males, and all the (some 6 to 8) P. charicles females. 



From these facts we can come to no other conclusion than that the 

 two are the opposite sexes of one and the same species, and we accordingly 

 unite them under the former as being the prior of these two names. 



96. Papilio polytes, var. nikobarus, Felder. 



97. Papilio agamemnoist, Linn. 



98. Papilio eurypylits, Linn. 



99. Papilio rhodifer, Butler. 



$ . Differs from the male in having all its wings broader, and the 

 crimson of the posterior ones not quite so bright. 



100. Papilio clytia, var. flavolimbatus. PI. XIV, Pig. 1, 2, $ . 

 We have since received many males and a female, the former all quite 



constant, and the latter differing from them only in its broader wings and 

 in the paler fulvous markings of both sides of the posterior ones. 

 *101. Papilio antiphates, Cramer. 



102. Papilio LiESTRYGONUM, W.-M. 



5 . Wings all lighter above in consequence partly of their greater 

 breadth, partly of the bands and other black markings being narrower or 

 less developed, and partly of the smaller extent of grey present on the 

 posterior pair : the fifth forked black band not reaching the inner angle on 

 either side and none of the bands of the anterior pair being connected by 

 a black edging at the inner margin, and the two marginal and sub-marginal 

 lunular bands of the posterior pair being smaller and less diffused and 

 more distinctly divided from one another by light scales anteriorly on the 

 upperside. 



Length of anterior wing 1*8 ; whence expanse = 375 inches. 



A single specimen. 



