THE MIGRATION OF BUTTERFLIES. 



337 



vast numbers of butterflies, in bands or flocks of countless 

 myriads, extended as far as tbe eye could range. Even by the 

 aid of a telescope it was not possible to see a space free from 

 butterflies. The seamen cried out " it was snowing butterflies," 

 and such in fact was the appearance. More species than one 

 were present, but the main part belonged to a kind very similar 



Catophaga galena, Felder, <? and ? . Navanghena, Ceylon. 



to, but not identical with, the common English Colias edusa. 

 Some moths and Hymenoptera accompanied the butterflies ; and 

 a fine beetle (Calosoma) flew on board. Other instances are 

 known of this beetle having been caught far out at sea; and this 

 is the more remarkable, as the greater number of the Carabidce 

 seldom or never take wing. The day had been fine and calm, 

 and the one previous to it equally so, with light and variable airs. 

 Hence we cannot suppose that the insects were blown off the 



ZOOLOGIST, THIRD SERIES, VOL. XIX. SEPT. 1895. 2 D 



