Production of Mimetic Resemblances among Butterflies. 355 



ing, but also saw another actually pursuing a butter- 

 fly belonging to the genus Acraea " : W. L. Distant, 

 " Naturalist in the Transvaal," p. 70.— (5) Seen to 

 " take moths and F. [Ficris] hellica " : J. P. Mansel 

 Weale, " Nature," iii, p. 508 (Cape Colony). 

 2 Motacilla sp. (Wagtail). Prof. Yngve Sjostedt, of Stock- 

 holm, informs me that although he' paid no special 

 attention to this subject, he well remembers to have 

 observed birds of this genus pursuing and capturing 

 butterflies in the beds of rivers on the Cameroon 

 Mountain in West Africa. 



3. Nectarinia sp. (Sunbird). "Mrs. Barber informs me 



that Fyrameis carclui is a frequent victim among the 

 butterflies with which the Sunbirds {Nectariniae) 

 feed their young" : R. Trimen, " S. Afr. Butterf," i, p. 

 84, note (Cape Colony). 



4. Apalis thoracica, Shaw (Bar-throated Warbler). On 



June 7, 1903, near Salisbury, Rhodesia, I myself saw 

 one of those birds catch an Acraea nohara-halali, 

 Mshl., which it ate with apparent relish. 



5. Fratincola tm^quata, L. (South African Stonechat). " In 



March [1900] I saw a Fratincola torquata in chase of 

 Tariicus plinius" : C. F. M. Swynnerton, Trans. Ent 

 Soc. Lond., 1902, p. 358 (Gazaland). 



6. Zanitis collaris, L. (Fiskal Shrike). "At the Cape I 



hoNQ &een Fiscus collaris, the common shrike of the 

 colony, seize in succession several Fapilio lyaeus on 

 the wing " : R. Trimen, Proc. Ent. Soc, 1897, p. xci. 



7. Bradyornis mariquensis, Sm, (Marico Wood-Shrike). 



" Feb. 27, 1898. Saw a Marico wood-shrike dart down 

 from a tree and catch a Sarangesa eliminata, Holl, 

 which was sitting with outspread wings on a small 

 plant" :_G. A. K. Marshall, Tr. Ent. Soc. 1902, p. 357 

 (Rhodesia). 



8. Fachyprora molitor, Hahn and K. (White-flanked Fly- 



catcher), (ff) " March 6, 1898. Saw a flycatcher 

 {Fachyiwora molitor) make several futile attempts to 

 catch a Tarucus plinius, which was circling round 

 the bush on which it sat." G. A. K. Marshall, /. c. 

 p. 357 (Rhodesia).- (&) On June 7, 1903, near Salis- 

 bury, Rhodesia, I saw one of these birds eat a small 

 Lycaenid (probably Tarucus telicanus) and a small 

 Hesperid (probably Baoris detectct). 



9. Trochocerctcs albonotatus, Sharpe (White-spotted Fly- 



