( 1^^ ) 



from Northern Angola, found by Dr. Ansorge 

 at the same time (late in November and early 

 in December) and the same place (Canhoca) 

 as the preceding. 



b. Ch. z. zoolina, Westw. (1850). Both forms found 



from Natal northward to Uganda and Abyssinia, 

 b^. form neanihes, Hew. (1854), tawny, 

 b-. form zoolina, Westw. (1850), greenish and black. 



c, Ch. z, betsimisaraka, Lucas (1872). Both forms from 



Madagascar, 

 c^. form hetanimena, Lucas (1872), tawny. 

 c^. form betsimisaraka, Lucas (1872), greenish and 



black. 

 2. Cliaraxes kahldeni, Homeyer (1882). 



a^. form homeyeri, Dew. (1882), tawny and white ; 



known from Pungo Andongo, Angola, 

 a^. form kahldeni, Homeyer (1882), greenish and 



black ; known from Northern Angola, the 



Upper Congo, and Southern Cameroons. 



Herr A. von Homeyer obtained kahldeni, homeyeri and 

 ehfnkei at Pungo Andongo in Northern Angola. Yery few 

 specimens of homeyeri seem to be contained in collections (we 

 have only a pair from the Homeyer collection), while kahldeni 

 has more frequently been obtained in several districts. 



Professor Poulton remarked that it was extremely interest- 

 ing and inspiring to see so much new light thrown on this 

 important genus as the result of Mr. G. F. Leigh's experiment. 



Dr. F. A. DiXEY, M.A., M.D., read a paper, illustrated by 

 lantern slides, " On Miillerian Mimicry, and Diaposematism. 

 A Reply to Mr. G. A. K. Marshall." A discussion followed 

 on the whole subject, in which Mr. R. Shelford spoke in 

 favour of Mr. Marshall's views, and Professor E. B. Poulton, 

 F.R.S., in favour of Dr. Dixey's contentions. Later Mr. G. A. 

 K. Marshall communicated the following reply to Dr. Dixey: 

 — "Having unfortunately been prevented by illness from 

 attending the reading of Dr. Dixey's long-expected paper in 



