some British East African Butterfiies. 537 



b. Mylothris agathina-ccntred Comhination from Kili- 

 manjaro. 



Myl. agatliina. Cram., 1 % (worn, a large notch in left 

 fore-wing), Jan. 26-31, 1906. 



Myl. -poi^l^xa, Cram., 1 %, Jan. 26-31, 1906. 



Myl. ijxdd, Butl., 4 $, Jan 5-16, 1906. 



Myl. rup2Jellii, Koch, 1 $, Jan. 5-16, 1906. 



Pinacopteryx ruh^olasalis, Say, 3 $, Jan. 5-16; one, 

 Jan. 26-31 ; two, 1906. 



With regard to the upper surface M. pop-ps&a is much 

 brighter orange than the others. The other species of 

 Mylothris resemble one another and are approached by the 

 palest of the three specimens of the Pinacoptcryx. 



On the under side the palest Pinacoptcryx beautifully 

 mimics the 31. riXpp)ellii, while the other two specimens of 

 the Pinacoptcryx mimic M. agathina, in which the ground 

 colour of the hind-wing is ochreous. The M. yidci and 

 M. poppEca resemble each other closely. 



The predominance of the genus Mylothris in this com- 

 bination is very evident, and there is no doubt that it is 

 distasteful to some enemies, at any rate. All the speci- 

 mens were captured for me by natives, as I was unable 

 to go to Kilimanjaro at that time. When I was on the 

 mountain in September I observed the abundance of this 

 combination and obtained specimens of some of its 

 members. 



c. Mylothris-centrecl Combination from Wcithaga. 



The table on p. 538 represents all the specimens of an 

 interesting Pierine combination captured at Weithaga in 

 the Northern Kikuyu country, a part of the Kenia province 

 of the colony. 



The most dominant species is Mylothris ruhricosta, Mab., 

 which is found almost exclusively in swampy places, and 

 is also very abundant. M. ruppellii, Koch, is also found 

 commonly, but I do not remember having ever seen M. 

 agathina in this part of the Kikuyu country. 



Associated with these is found Phrissura p)hoibe, Butl., 

 of which the under surface of the female bears most 

 resemblance to M. agathina ^, whilst that of the male 

 is nearer to both sexes but especially the male of M. 

 ruhricosta. On the upper side the female of P. phcebe is, 



