CHRYSOPHANUS I. 
species, and is well represented in North America, especially in the Rocky Monn- 
ams and on the Pacific slope. These little butterflies frequent the open coun- 
J , ‘ h * r ( lan " oods and torests > ai >d such as are found in the Eastern and 
Middle States are very common in old fields and pastures. The e^s of most 
butterflies are beautiful objects when seen under the microscope, dferin,/infi- 
nitely in form and ornamentation, and I know of none that surpass in beauty 
those °1 our two Atlantic species of Chrysophanus, Ilyllus and Phleas, var 
thhTaZ f ( r eggS ar ® r0und and flattened > and in <*» of Hyllus covered 
< ica e lost nig, m Phleas the whole surface is occupied by hexagonal 
depressions, that give the appearance of a bit of honeycomb The caterpillars 
o us genus are oval, omsciform, with small retractile heads and retractile feet 
s o ,11 as is known the American species feed on the leaves and flowers of Dock 
(Rumex), Sorrel (R. acetosella), and Golden-Rod (Solidago). The European 
species feed also on Polygonum. The chrysalis is supported by a girdle, after 
the manner of the Papilionidai. J 8 ’ 
