ME. A. G. BUTLEK ON JAPANESE LEPIDOPTEBA. 51 



P. Mnemosyne measuring from 2f to 2| inches ; also in having 

 grey bands instead of black spots in the front-wing cell, the whole 

 of the wings, instead of only the apical area, being semitrans- 

 parent ; no discal spot in the hind wings, as usually the case with 

 P. Mnemosyne ; a much broader extent of black at the abdominal 

 margin, and the ferruginous hairs of the body much more vivid. 



Leucophasia, Stephens. 

 4. Leucophasia Sinapis, Linnaus, sp., var. (costa anticarum elon- 



gata). 

 Papilio Sinapis, Linnmus, Syst. Nat. ii. 760. n. 79 (1767); Hiibner, 



Europ. Schmett. Pap. f. 410, 11 (1806-27). 

 Leucophasia Sinapis, Stephens, III. Haust. i. 24 (1827). 

 Leptosia Lathyri, Hiibner, Verz. oek. Schmett. 96 (1816). 

 Leptosia Candida, Westwood in Humphr. Brit. Butterf. 31 (1840). 

 Europe, Syria. 



M)te. The Japanese form of this insect differs from the Eu- 

 ropean one in having the front wings three-sixteenths longer in 

 proportion to their breadth at the widest part ; the apical patch 

 is also only marked by the nervures. 



PiEBis, Boisduval. 



6. PiERis Crat^gi, Linnceus, sp. 



Papilio Cratsegi, Limiceus, Syst. Nat. ii. 758. n. 72 (1757) ; Hubner, 



Europ. Schmett. Pap. f. 339, 340 (1806-27). 

 Aporia Cratsegi, Hubner, Verz. bek. Schmett. 90 (1816). 

 Pieris Cratsegi, Godart, Enc. M. ix. 154. n. 127 (1819). 

 Pontia Cratsegi, Donzel, Ann. Soc. Eut. de France, vi. 88 (1837). 

 Europe, Syria. 



6, Pieris Rap^, Linnceus, sp. 



Papilio Rapse, LinncBus, Syst. Nat. ii. 759. n. 76 (1767); Hubner, 



Europ. Schmett. Pap. f. 404, 5 (1806-27.) 

 Pieris Rapse, Godart, Enc. M. ix. 161. n. 144 (1819). 

 Catophaga Rapse, Hubner, Verz. bek. Schmett. 93 (1816). 

 Europe, North Asia, Oachemire, Egypt. 



7. Pieris Napi, Linnceus, sp., var, (alis multo majoribus). 



Papilio Napi, Linnceus, Syst. Nat. ii. 760. n. 77 (1767); Hubner, 



Europ. Schmett. Pap. f. 406, 7 (1806). 

 Pieris Napi, Godart, Enc. M. ix. 161. n. 145 (1819). 

 Pontia Napi, Stephens, III. Haust. i. 20 (1827). 

 Catophaga Napi, Hubner, Verz. bek. Schmett. 93 (1836). 

 Europe, Siberia. 



Note. The Japanese form is one-third longer in expanse of 

 wing than the average size of British specimens. 



