3liti JOUKNAL, BOMBAY NATURAL HJSTOBY SOCIETY, 1890. 



In habits the larvre are very similar to those of the last group, but 

 they usually feed on the Rutacece, to which the orange and lime 

 belong. The pupa is more or less crooked, the head and thorax being 

 thrown back as in the Oruithoptera group, and two blunt processes 

 project from the head. 



71. Papilio erithonius, Cramer. 



This is the commonest Papilio in the Presidency, and we have 

 reared it abundantly in many places on different varieties of lime or 

 orange trees, and also sometimes on the pomelo, but it forsakes all 

 these for the unpleasantly odoriferous garden Rue. On the hands for 

 salt works in the Konkan we once found it literally in flocks, feeding 

 on a legumiuuous plant with aromatic leaves. The form of the larva 

 has already been described. The colour at first is a very dark shade 

 of green, almost black, with two broad, diagonal, cross-bands of yel- 

 lowish-white. At this stage the whole insect has an oily gloss, and 

 has been supposed by some to mimic the excrement of birds. At the 

 last moult it assumes a fine green colour, with certain yellowish- 

 white markings, which, though they vary in extent, are characteris- 

 tic of the whole group. These are the ridge on the forepart of the 

 4th segment, a line or band behind the 5th, an elongated triangular 

 patch on each side, with its base on the light colour of the under 

 parts at the 8th segment, and its apex sloping into the 9th, a similar, 

 but smaller patch on the 10th, and nearly the whole of the last seg- 

 ment. The pupa is green when found among leaves, brown of 

 various shades if attached to a trunk or dead branch. 



72. Papilio poli/tcs, Linnseus. 



The larva of this is not easy to distinguish with certainty from 

 that of the last, though of course it grows to a larger size. The 

 pupa also is similar, but can be recognised at once, being propor- 

 tionally much broader. This species also feeds on various species of 

 orange and lime. We have never got it on rue. 



73. Papilio polt/Miicsfor, Cramer. 



We noticed this butterfly at Mathcran, in the month of March, 

 laying its eggs on a lime tree in the gaixlen. In Karwar we reared 

 a great many in September and October on a common wild orange 



