Prodtiction of Mimetic Besemhlanccs among Butterfiies. 365 



miss them : J. C. Kershaw, Tr. Ent. Soc, 1905, p. 6. — 

 (g) "Sept. 23, 1885. Road up Thundiani, near Kala 

 Pani Bungalow. Saw a youDg King-Crow, Dicrunts 

 ater, stoop at a big blue Pa/pilio, either P. folyctor or 

 P. ardxiriis, and miss it. The bird did not repeat the 

 attempt": Col. J. W. Yerbury, Tr. Ent. Soc, 1902, 

 p. 359.— (/t) "Sept. 2, 1886. Road up Thundiani, 

 near top of the hill. Saw a young King-Crow stoop 

 at a specimen of Vanessa haschmirensis, and after 

 missing it once take it at the second attempt. Did 

 not notice whether the insect was eaten " : Col. 

 Yerbury, /. c. — {i) " Going through some fairly open 

 jungle [in Burma] close to the main road I put up a 

 Melanitis ziteni'us, which fluttered across the road 

 and was swooped at by a King-Crow {Dicruo^us), but 

 missed " : Lt.-Col. C. T. Bingham, Tr.Ent. Soc, 1902, 

 p. 363. — (/) Observed to hawk Caio2')silia in Burma : 

 Lt.-Col. Bingham, /. c. p. 363. 



10. Dicrums sp. (Drongo). " On a forest path a Danaus 



scptentrionalis flew along before me with its slow, 

 flapping motion, when suddenly an apparently young 

 Dicrurid — these birds are bitter enemies of butterflies 

 — darted at it from a twig where it had been on the 

 watch, but when about two feet away shook itself 

 and then, without seizing the insect, returned to its 

 perch " : E. Haase, " Res. on Mimicry," p. 99 (Siam). 



11. DicruTus longicatidatus, Jerd. (Long-tailed Drongo). 



This bird was observed to seize a large butterfly 

 (Teino2Mlp'i(s impcrialis, Hope) on the wing : G. C. 

 Dudgeon, "J. Bomb., N. H. Soc," ix, 1895, p. 337 

 (India). 



12. JDicrurus Icxicopiygialis, Blyth (White-vented Drongo). 



"Mr. Lewis also gives Bttehanga leucop)yg talis as a 

 very active hunter of butterflies on the wing " : R. 

 Trimen, Proc Ent. Soc, 1897, p. xci (Ceylon). 



13. Dicmrus sp. On two occasions in Java an " Bdoliusl 



sp." was seen to eat a Euploca rafflesii, Moore (Piepers) : 

 A. S. Packard, " Proc Am. Phil. Soc," 1904, p. 412. 



14. Buchanga sp. (Drongo). " Buchana [sic] sp., a small 



species, was very common on a small island near 

 Bangkok during the flying season of the Catopisiliae, 

 and I have observed it as it was busy in capturing 

 these insects." Haase also states that Dicruridae in 

 general " appear to be special enemies of these 



