2ETIDES. 277 



be studied in England. It is most often found in woods and 

 bushy places in hilly districts, but does not extend very high up 

 the mountains, and it shuns the neighbourhood of towns, being 

 easily exterminated or driven away by clearing and cultivation. 



[xxvn. B.] Dalchina, Moore. The type of this genus is 

 D. sarpedon (Linn.), a common Indian species, widely dis- 

 tributed in the Indo-Mahyan and Austro-Malayan Regions. 

 There are also a number of closely-allied forms, which may or 

 may not be distinct species. It measures about three inches 

 across the wings ; the fore-wings are considerably produced, 

 the hind-margin being very oblique ; and the hind-wings are 

 also considerably produced towards the anal angle, but not 

 tailed. The wings are black, with a broad glaucous green 

 band running obliquely from near the tip of the fore-wings, 

 where it is macular, to below the middle of the hind- wings, 

 where it tapers downwards ; there is a sub-marginal row of five 

 green spots on the hind-wings. On the under side the green 

 is mixed with whitish, and there are several red spots marked 

 with black on the hind-wings. 



The larva is smooth, rather short and stout; dark green, 

 with paler incisions. The pupa is strongly ridged ; grass- 

 green, striped with yellow. The larva feeds on cinnamon and 

 soursop. 



This is a Butterfly of lofty and rapid flight, not always easy 

 to catch, as it flies about the tops of the trees. 



[xxvn. c.] Zetides, Hiibner. The type of this genus is Z. 

 eurypylus (Linn.). This species and its allies are black, with 

 the hind-wings less produced than in Dalchina, and tail less. 

 These Butterflies, which are found throughout the Indo- 

 Malayan and Austro-Malayan Regions, expand about three 

 inches across the wings, and are black, with a common green 

 band, more or less macular on the hind-wings, a row of sub- 

 marginal green spots, and green transverse streaks in the cell 



