122 
NYMPHALIDAE 
Usually, each locality represents a local race. The forms 
occurring in England and Wales agree with the following 
descriptions of both sexes. 
The ground colour is fulvous, banded and spotted with 
black and pale straw-yellow or ochreous-wliite. 
Upper Side. Fore Wing. The base and inner margin are 
Nest of the Marsh Fritillary. Larva (170 days old) just emerged from 
hibernaculum. Sketched 7.2.1905. 
dusky ; the costa is powdered with yellow ; three irregular 
transverse black markings run across the cell, and there is 
also one just beyond, the spaces between being alternate 
blotches of pale straw-yellow and bright fulvous. There are 
two irregular median black bands across the wing, enclosing a 
series of straw-coloured markings. A series of six or seven 
spots of the same colour lies between the nervures running 
parallel to the median bands, followed by a sub-marginal 
