SCARCE SWALLOW-TAIL. 



Some there are ■who dogmPitically deny the chihu of this 

 species to be a British insect, but the following lacts 'vrill be 

 sufficient for cverv unbiassed judgment. Nothing is more 

 certain, as vrill abundantly appear in the course of the present 

 work, than that some species once common in particular districts, 

 now are never known there, and, 'vice versa,' that new ones, 

 new to the district, spring up on a sudden, where none had 

 been ever seen before. 



This Swallow-tail is a native of Europe, Asia Minor, and 

 the northern parts of Africa- It is plentiful near Moscow and 

 Berlin; in fact throughout the whole of our continent. 



The following authorities are extant for its admission to a 

 place in our native fauna: — 



Berkenhout, in his "Outlines of British Xatural History," 

 says that it is *'rare in woods;" and Haworth observes that 

 Dr. Berkenhout might probably have had it, as he had heard 

 of his having given a large price for a rare Swallow-tail from 

 Cambridgeshire- 

 Mr. Rippon says, in 17T8, that twenty -five years pre^^o^Isly he 

 had taken "two sorts" of Swallow-tails near Beverley, Yorkshire. 

 Mr. H. Sims was certain that he saw 'Podalirius' on the 24th. 

 of August, 1810, about twelve o'clock, on his way from Norwich 

 to Salhouse. He struck at it with a forceps, but, for want of 

 a better kind of net, was unable to catch it. 



