NORTH AMERICAN BUTTERFLIES. 



31. Occidentalis, Keak. 



winter form Calyce, Edw. 

 summer form Occidentalis, Reak. 



32. Protodice, Bd. 



winter form Vernalis, Edw. 

 summer form Pkotodice, Bd. 



33. Napi, Esjjer. 



arctic form Bryoni^e, Ochs. ; Edw., Papilio, 1, 86, pi. 2, f. 4, 1881. 

 Alaska, 

 var. IIuLDA, Edw., 1. c, pi. 2, f. 5. 



1. winter form Venosa, Scud. ; Edw., 1. c, pi. 2, f . 6. 

 aberr. Flava, Edw., 1. c, 98. California. 



2. winter form Oleracea-hiemalis, Harr. ; Edw., 1. c, pi. 2, f. 8. 

 var. BoREALis, Grote ; Edw., 1. c, pi. 2, f. 9. 



var. Frigida, Scud. 



aberr. Virginiensis, Edw. Northern. 



3. 1. summer form Acadica, Edw., 1. c, 87, pi. 3, f. 10, 11. New- 



foundland. 



2. summer form, a. P.\llid.\, Scud. ; Edw., 1. c, pi. 3, f. 12, 13. 



6. Castoria, Reak. S ; Edw., 1. c, pi. 3, f. 14. 

 aberr. Flava, Edw., 1. c. 94. California. 



3. summer form Oleracea-.estiva, Harr. ; Edw., 1. c, pi. 3, f. 15, 1 6. 



34. Virginiensis, Edw., But. N. A., v. 1, 34, pi. 9; id., Papilio, 1, 95, pi. 3, f. 



17. 18. West Viro;inia. 



35. Rapae, Linn. 



var. Manni, Mayer ; Stet. Ent. Zeit., 1851, p. 151. West Virginia; 



Georgia. 

 var. Nov.-Angli^, Scud. 



NATHALIS, BoisduvaL 



36. lole, Bd. 



var. Irene, Fitch. 



ANTHOCHARIS, BoisduvaL 



Group I. 



37. Lanceolata, Bd. 



Group II. 



38. Creusa, Doubl. 



