1897.J BUITBRFIiIES COLLECTED LN NATAL. 841 



examples taken in October are more or less intermediate between 

 true B. ilWiyia and B. simplex^ usually having the underside pattern 

 of the latter. 



Var. ACHBLOiA, Wallgr. 



" Dry form," Durban, 6th August, 1886. 



24. Plastema aganice, Hewits. 

 S , Durban, 7th August, 1896. 



25. AcB^A CABiEA, Hopffer, 

 Malvern, 10th and 13th August, 1896. 



26. AcE^A SEKETfA, var. BUXTONi, Butler. 



Malvern, 8th, 10th, and 11th August, 1896 ; Karkloof, 14th and 

 17th February, 1897. 



" The dry-season females resemble the males in colouring." 



27. AcEiEA LYCiA, var. SGANziNi, Boisd. 

 Malvern, 10th August, 1896, 



28. AcE^A AifACEEON, Trimen. 



Ulundi, 5000 feet, 13th, 15th, and 16th October, 1896. 



" These were bred here from larvae that we brought down from 

 Ulundi, and represent the normal wet-season form in S. Africa." 

 In Nyasaland this species tends to produce better defined red 

 internervular streaks on the under surface, \^hilst the black mark- 

 ings on the secondaries (and notably the submarginal black band) 

 are generally less strongly defined than in Southern examples : 

 these differences, however, are not constant, and therefore cannot 

 be relied upon as specific characters. 



29. AcejEA natalica, Boisd. 

 Malvern, 800 feet, 12th August, 1896. 



30. AcE^A ACAEA, Hewits. 



Tugela Eiver, 2500 feet, near "Weenen, 27th October and 14th 

 November, 1896. 



31. AcB^A nbobule, Doubl. 



Tugela Eiver, 2500 feet, near "Weenen, 1st November, 1896. 



32. AcEjEa hoeta, Linn. 



Karkloof, 4200 feet, 13th and 15th February, 1897f 



33. AcE^A BUENi, Butler. (Plate L. fig. 3.) 



AcrcBa burnt, Butler, Ann. Nat. Hist. ser. 6, vol. xviii. p. 467 

 (1896). 



Tugela River, 2500 feet, near Weenen, 31st October ; 2nd, 5th, 

 and 6th November, 1896. 

 ■^ Peoc. Zool. Soc— 1897, No. LVI. 56 



