BUTTERFLIES OF THE DISTEICT OF COLUMBIA 245 



The broad orange bands margined interiorly with lighter in the 

 outer third of the wings and the two orange spots near the costal 

 border of the fore wings make this species a very easy one to rec- 

 ognize. 



VANESSA J-ALBUM (Boisdnval and Le Conte) 



Plate 10, Figures 1, 2 



In the Schonborn collection there is a specimen of this species 

 caught by Otto Lugger in the Druid Hill Park, near Baltimore, Md., 

 on January 2, 1882. This northern species ranges southward into 

 the mountain districts of Pennsylvania. When common it occasion- 

 ally migrates in considerable numbers far beyond its usual range. It 

 is quite likely to be found as an erratic casual in the District. 



This butterjQy is to be looked for on warm days in winter and in 

 very early spring. It is active at a lower temperature than any of the 

 local butterflies. 



This species lives the longest in the adult stage of all the butter- 

 flies in North America, some individuals, at least, living for 12 months 

 or perhaps even longer. It passes the winter hibernating as an adult, 

 and in summer it becomes torpid during unusually warm weather. 



There is no other American butterfly with which this can be con- 

 fused. It is dull orange marked with dark brown. 



POLYGONIA FAUNU8 (Edwards) 



Greibn Comma 

 Plate 11, Figures 5, 6 



This northern butterfly may possibly occur as a casual in the Dis- 

 trict, as it is found southward in the mountains to Georgia and South 

 Carolina. It is an exceedingly active butterfly, more alert and 

 quicker in its motions than the comma. 



It resembles the comma {Polygonia comma) in having the silvery 

 comma on the underside of the hind wings expanded at the ends, but 

 the wings are more deeply incised, the middle of the outer border of 

 the fore wings being conspicuously crenulated, and the outer third of 

 the lower surface of the wings is variegated with green. 



DIONE VANILLAE INCARNATA (Riley) 



Passion-flowee Feitlllary 



Plate 12, Figures 1, 2 



The passion-flower fritillary is very common in Florida and locally 

 northward along the coastal plain to Norfolk, Va. It is infrequeni 

 or of casual occurrence north of this point. 



