Production of Mimetic Resemblances among Buttcrfiies. 357 



he observed a drongo pursuing a butterfly {HypoKmnas 

 clrucei, Butl.) which it failed to capture. 



13. Dicrurus ludivigi, Smith (Lesser Drongo). " 16, viii, 



1908. In the same locaHty as yesterday, viz., the 

 edge of a patch of dense forest, saw a Lesser Drongo 

 {D. hiclvngii), catch a damaged Cafopsilia florella " : 

 S. A. Neave (note from diary ; N.E. of Lake Bang- 

 weolo). 



14. Hirundo monteiri, Hartl. (Monteiro's Swallow). " 13, 



vi, 1908. N.E. of Lake Bangweolo. Saw a large 

 swallow, probably H. monteiri, capture a Teracolus 

 ? evenina which appeared to have been previously in- 

 jured " : S. A. Neave (note from diary). 



15. Hirundo sp. (Swallow). " I think I told you long ago 



of having found the wings of a lot of butterflies, 

 chiefly P. corinneus, below the branch of a tree on 

 which some swallows were constantly settling " : 

 C. F. M. Swynnerton, Tr. Ent. Soc, 1902, p. 358 

 (Gazaland). 



16. Cypselus caffer, Licht. (S. African Swift). Observed to 



" take small moths from the grass and dart at Terias 

 rahel [brigitta, Cram.] on our open flats " : J. P. 

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



17. Dicrocercus Tiirundineus, Licht. (Swallow-tailed Bee- 



Eater). " 11, X, '07. I watched to-day for about half- 

 an-hour a specimen of the Swallow-tailed Bee-Eater 

 {D. hirundinetcs) hawking butterflies. As far as I 

 could see he took nothing but Pierines, C. [Cato- 

 2Jsilia] Jiorella mostly, but one or two B. \^Belenois'\ 

 nr. dentigcra, and one Terias" (N.W. Rhodesia): 

 S. A. Neave (in a letter to Prof. Poulton). 



18. Mcrops ])crsicibs. Pall. (Blue-cheeked Bee-Eater), {a) 



" In the vicinity of every hole were numbers of 

 pellets, formed of the wings and other indigestible 

 parts of dragon-flies, butterflies, beetles, etc. " : S. Staf- 

 ford Allen, " Ibis," 1862, p. 359 (On the Nile).— (&) 

 Mr. C. F. M. Swynnerton has recently sent me a 

 butterfly which was taken from the stomach of one 

 of these birds at Chibababa, Portuguese E. Africa, on 

 December 11, 1906. The insect is an Aeraea, be- 

 longing to the group represented by A. horta, L., but 

 is too much damaged for exact identification. The 

 same gentleman notes the dexterity of these birds in 

 catchinfr insects, but states : " Yet I saw one strike 



