GREASY OR MARSH FRITILLARY. 137 



It may be characterised negatively as not having the 

 rows of black spots found on both surfaces of Cinxia, 

 though its colouring is very similar fulvous (or orange- 

 brown) and black above ; straw-coloured, fulvous, and 

 black beneath. 



The caterpillar is black, with rust-coloured spines ; 

 and feeds on various species of plantain. 



The butterfly is out from May to July, and is met 

 with (if at all) on heaths, clearings in woods, &c. 

 Localities, in some of which it is very plentiful, are, 

 Caen "Wood ; Coombe Wood ; Epping ; Halton, Bucks ; 

 Bedford ; Aspley Wood, Beds ; Plymouth, Teignmouth, 

 Stowmarket, Dartmoor, Devonshire ; Oxford ; Wilt- 

 shire; Colchester; St. Osyth ; Tenterden; Faversham; 

 Deal ; Canterbury. Yery rare in north of England. 



THE GEEASY OE MAESH FEITILLAEY. 



(Melitcea Artemis.) (Plate XI fig. 4.) 



THE Hack markings on the upper side of this but- 

 terfly closely approach those of the last two species, but 

 the interstices, instead of being filled up with a uniform 

 fulvous tint, as in those, are " coloured in " with several 

 distinct shades, some with pale tawny yellow, others with 

 deep orange brown. This latter tint forms a band parallel 



