1872.] MR. A. G. BUTLER ON THE GENUS PIERIS. 63 



8. Synchloe SISYMBRII. 



Pieris sisymbrii, Boisduval, Ann. Soc. Etit. France, p. 284 (1852). 



California. 



Links the Napi and Daplidice groups. 



9. Synchloe? canace. 



Pieris canace, Edwards, Trans. Am. Eut. Soc. (1870). 

 California. 



10. Synchloe hulda. 



Pieris hulda, Edwards, Trans. Am. Ent. Soc. ii. p. 370 (1870). 

 Kodiak. 



11. Synchloe ajaka. 



Pieris ajaka, Moore, Proc. Zool. Soc. p. 490. n. 21, pi. 31. fig. 

 16 (1865). 

 Kunawur {Lang). B.M. 



12. Synchloe napi. 



Papilio napi, Linnseus, Faun. Suec. p. 271. n. 1037 (1761). 



Var. Papilio bryonies, Ochsenheimer, Eur. Schm. i. ii. p. 151 

 (1808). 



Papilio napi, Esper, Eur. Schm. i. ii. pi. 64. figs. 3-5 (1783). 



Var. Papilio' napcece, Esper, Eur. Schm. i. ii. pi. 116. fig. 5 

 (1800?). 



Var. Pontia sabellicce, Steph. 111. Haust. i. p. 21, pi. 3. figs. 3, 

 4(1827). 



Austria ; Germany ; Lapland. B.M. 



13. Synchloe nasturtii. 



Pieris nasturtii, Edwards, Proc. Ent. Soc. Philad. ii. p. 501 (1864). 

 California. 



14. Synchloe virginiensis. 



Pieris virginiensis, Edwards, Trans. Am. Ent. Soc. p. 13 (1870). 

 United States. 



15. Synchloe oleracea. 



Pontia oleracea, Harris, New Engl. Farmer, viii. p. 402 (1829). 



Var. Pieris cruciferarum, Boisduval, Sp. Gen. Le'p. i. p. 519. 

 n. 119 (1836). 



Var. Pontia casta, Kirov, Faun. Bor. Am. iv. p. 288, pi. 3. fi°-. 1 

 (1837). 



Newfoundland; Nova Scotia ; Hudson's Bay ; Vancouver Island ; 

 Canada West. B.M. 



Var. S. cruciferarum. Canada West. B.M. 



