( 90 ) 



"III. A diffusing of the h.-w. pale area, instead of its being 

 concentrated. I think B., shows that the pale h.-w. 

 area of imitator was derived from obscura, tinted white 

 by holdeyi influence. 



"I much look forward to seeing the Natal and West 

 African eurytus forms.'' 



Prof. Poulton had examined the series of Ps. imitator, Trim., 

 in the Hope Department, viz. 35 specimens bred in 1910 by 

 the late Mr. A I >. Millar, and 3 females captured at North- 

 dene, Natal, in 1896. He agreed with Dr. Carpenter that B., 

 could be easily transformed into imitator With regard to 1, 

 no trace of subapical yellow was Been in any of the white- 

 marked females. All the markings of the males and of a small 

 proportion of the females were pale yellowish white like the 

 males of Planema aganice, Hew., while the majority of the 

 females were white-marked like the female aganice. If. The 

 inner marginal marking was always present, yellowish in the 

 yellow-marked, grey in the white-marked specimens. III. 

 The bar crossing the hindwing was always well defined like 

 the model — sometimes, however, more band-like and straighter 

 along its outer edge, often, on the contrary, following the 

 contour of the hind margin of the wing and formings quarter- 

 circle concentric with it, as in Planema aga 



"Od. 17th. 



" 1 am sending you two more series of Bynepigonic Pseud- 

 acraeas with full data, and pupal skins of each specimen, also 



a few leaves showing the curious way in which they are eaten 

 by the young larvae." 



Prof. POULTOH .-aid that he had submitted the leaves to 



Dr. < >. Stapf, I', lis., of Kew, who had replied that they 



agree very well with Sideroxyhm li>;rij><s, l'.aker, aSapotaceous 



planl well known in Uganda and allied to Chrywphyllum, a 



food-plant of /'.-■ | in the LagOS district and Natal. A 



ewwiiij 



perfectly certain determination required fuller material, which 



it was boped would soon be received from Dr. Carpenter. 



Prof. Poulton had also received the following interesting 

 note in a letter written on September -1st. The observation, 



