236 MODERN SYSTEM. 



Sp. I. Gon. Rhamni. Wings of the male yellow, of the female whitish; 



with a fulvous spot on each. 

 Inhabits woods in the spring and autumn. Flight slow. 



Genus 313. COLIAS. Fabr., Latr., Leach. Papilio. Limit, 

 Haworth. Pieris. Schrank. 



Antenntr short, gradually thickening into an obconic head : palpi much 

 compressed ; the last joint very short : feci alike in both sexes, all 

 with bifid or iinidentate nails : wingx anterior, somewhat trigonate ; 

 hinder rounded, with a groove to receive the abdomen: chrysalin 

 angulated, fastened by a transverse thread. 



Sp. 1. Col. Ilj/ale (clouded yellow buttertiy). 



Inhabits Europe. Occurs in England once in three years, some sea- 

 sons only locally, at others in the greatest profusion in every part of 

 the country. There is a pale coloured variety of each sex, which 

 have been considered as distinct species. 



Sp. 2. Col. Edusa. 



Genus 314. PONTIA. Fair., Leach. Pieris. Schrank, Latr. 

 Antenna elongate, with an abrupt, obconic, compressed head : palpi 

 slender, somewhat cylindric ; the last joint as long as the preceding : 

 7£ings not very narrow, or nuich lengthened ; hinder ones grooved 

 to admit the abdomen, but not tailed : feet alike in both sexes ; 

 claws unidentate or bifid : chrysalis angulated, fastened by a trans- 

 verse thread. 



" * Anterior wings somewhat trigonate; hinder ones somewhat orbicn- 

 late." 



Sp. 1. Font. Cratagi (black-veined white). Wings white, with a faint 



tinge of yellowish and black nervures. 

 Inhabits Europe. In England it is found in the woods near London ; 



the larva feeds on the white-thorn. 

 Sp. 2. Foyit. Brassica (large cabbage butterfly). 

 Inhabits Europe; the larva on the cabbage. 



Sp. 3. Pont. Rap(E (small cabbage butterfly). 



Inhabits gardens. 



Sp. 4. Font. Napi (green- veined white). 



Inhabits gardens and woods. 



Sp. 5. Font. Cardamines (orange tip butterfly). 



Inhabits path-ways in woods. 



Sp. f). Font. Daplidicc (Bath white). This has long been doubted 

 whether a native of this country; but that successful and indus- 

 trious entomologist Mr. Stephens has sulhcicntly proved the fact, 

 by taking a specimen at Dover in July 1G18, 



