BUTTERFLIES OF THE VICINITY OF NEW YORK CITY 



and allied plants. The species is found in the United 



an to ocean, and also in Mexico. common 



about Now York in /ears, but since the introduction of the 



Inij Butterfly it has di red almost entirely, 



though i1 ... only a season or two ii 



io. Dog's-Head Butterfly (Colias ccesonia). 



This southern species is occasionally taken in this vicinity. In 

 the South it is common. It may be known readily by the yellow 

 dog's-head patch on the fore wings, and broad black borders. 



ii. Clouded Sulphur Butterfly c 'olios phi. 



y common everywhere in this neighborhood, along roadsides, 

 in open fields and in gardens. It is especially common when th< 

 clover is in blossom. Sometimes hundn •• yellow bu1 



flies may be seen in dense masses upon w< □ the roa .ling 



when disturbed and settling again when the interru: It 



is apparently tri 

 the latter part of April until about the middle ol 



i i 



