356 Mr. G. A. K. Marshall on Birds as a Factor in the 



catcher). "On April 3 one of these birds was seen 

 by Odendaal to dart out from the trees at the edge of 

 Chirinda at a butterfly (Mi/Iotkris) flying past a few 

 feet away, but to turn back on reaching it without 

 an attempt at capture " : C. F. M. Swynnerton, "Ibis," 

 1908, p. 98 (Mashonaland). 



10. Terpsiphone jjcrspicillata Sw. (S. African Paradise Fly- 



catcher). {(() " I liave seen Tchitrca cristata darting 

 at P. [3fylothris] aga/hina" : J. P. Mansel Weale, 

 " Nature," iii, p. 508 (Cape Colony). — (b) " I would 

 notice that I have seen a TcJiitrea cristata capture a 

 [Fajnlio] onerope ^, and chase a F. 7iireus, and I have 

 little doubt that this bird is most destructive to bush- 

 frequenting Rhopalocera " : J. P. Mansel Weale, Proc. 

 Ent. Soc, 1874, p. 132 (Cape Colony).— (c) "March 

 28, 1897. While out collecting at Malvern, Durban, 

 Natal, I saw a Paradise Flycatcher catch a specimen 

 of Eronia cleodora": G. A. K. Marshall, Trans. Ent. 

 Soc, 1902, p. 357.— (rO "While watching an Atclla 

 2yhalantha hovering over a bush of its food-plant, a 

 Paradise Flycatcher darted past, and witli a loud snap 

 of its beak, tried to catch the butterfly in its swoop :" 

 G. A. K. Marshall, /. c. (Rhodesia). 



11. Dicrnncs afer, Licht. (African Drongo). (a) "I have 



little doubt that . . . Ficr'icr2isvu(sicMs,Yie\\\., is most 

 destructive to bush-frequenting Rhopalocera " : J. P. 

 Mansel Weale, Proc. Ent. Soc. 1874, p. 132 (Cape 

 Colony).— (i) "December 1, 1898. C. F. M. Swynner- 

 ton saw a drongo (Buchanga assimilis) fly past him 

 with a white butterfly in its beak, ] )robably G.JlorcUa " : 

 G. A. K. Marshall, /. c. p. 357 (Rhodesia).— (c) A 

 drongo observed to attack a tattered Belcnois (either 

 mcscntina or sevcrina) : G. A. K. Marshall, /. c. p. 857 

 (Rhodesia). — (d) " Gorongoza Dist., Portuguese E. 

 Africa, May 1907. Although this species was common, 

 I only once noticed it take butterflies, when one 

 caught a small brown species that was passing where 

 it was perched " : C. H. B. Grant (note from diary). — 

 (e) "I have on several occasions seen the common 

 Drongo (F>. afer) make more or less successful darts at 

 passing butterflies " (N.E. Rhodesia") : S. A. Neave 

 (letter dated 19, ii, 1909). 



12. Dicrurus sp. (Drongo). Colonel N. Manders tells me 



that in the harbour of Nossi Be, Madagascar, in 1907> 



