S6 SWALLOW-TAIL BUTTERFLY. 



Although somewhat local in Britain, this species 

 seems to be pretty widely distributed throughout 

 the southern parts of England, and has been found 

 as far north as Beverley in Yorkshire. It probably 

 does not extend beyond that place, as it certainly 

 has never been observed in Scotland ; nor have we 

 heard of its occurrence in Ireland. The fenny dis- 

 tricts of Cambridgeshire produce it in considerable 

 abundance ; it has been often found in Norfolk, and 

 occasionally in Hampshire and Middlesex. Ray ob- 

 served it both in Sussex and Essex ; and in the days 

 of \Vilkes (who has given a good representation of 

 the caterpillar), it was rather plentiful near Westram 

 in Kent. It is generally diffused over the continent 

 of Europe : it occurs plentifully in Egypt and Syria; 

 arid specimens are said to have been brought to this 

 country from the Himalayan mountains. It appears 

 in this country about the end of May, and sometimes 

 continues till the middle of August. 



