468 Mr. A. G. Butler on the Effect of offering 



and swallowed, ejected and again swallowed. To Song- 

 Thrush ; thoroughly crushed and then swallowed. 



Pupa of V. urticce to Missel-Thrush, Bulbul, and Starling ; 

 crushed and eaten with evident relish. To Skylark, Leio- 

 thrix, and Nightingales ; contents swallowed, the shell left. 



Imago of V. urticce to Missel-Thrush, Song-Thrush, Leio- 

 tJirix, Starlings, Blackbird, Bulbul, and Nightingale ; eaten 

 by all with pleasure excepting the Blackbird, which hesitated 

 before finisliing it. On the other hand, it was rejected without 

 trial by the Sedge- Warbler, Wryneck, Cape Canary, and 

 Rose-Finch. 



17th August. 



Offered larva of V. urticce to Missel-Thrush, which rubbed 

 it about and then swallowed it. To Leiothrix, which swal- 

 lowed the contents but rejected the skin. Three Nightin- 

 gales and a Starling eagerly devoured the larva? entire ; a 

 Chaffinch ate part, but did not seem to relish it. 



Pupa of V. urticce to Chaffinch, which pecked but rejected 

 it. Two Siskins, two Cordon-bleus and sixteen other Wax- 

 bills {Estrelda, spp.), four Munia rufo-nigra^ two other 

 Munias^ and the Kose-Finch entirely ignored them. On the 

 other hand, two Nightingales and a Skylark seized and ate 

 them at once. 



Imago of V. urticce to Missel-Thrush, Nightingale, Indigo 

 Finch, and Chaffinch, all of which ate it without hesitation. 

 It was, however, rejected by the Sedge-Warbler, and my 

 eighteen Waxbills were all afraid of it. 



18 th August. 



Offered pupa of F. urticce to Missel-Thrush, four Song- 

 Thrushes, Blackbird, Bulbul, and Nightingale ; eaten by all 

 without hesitation; it was ignored by the Wryneck. 



Imago of F. urticce to Nightingales, which ate them at 

 once. 



Offered earwig to Sedge- Warbler ; not eaten. 



19th August. 



Offered larva of Mamestra hrassicce to Sedge- Warbler, 

 which at once seized and devoured it. A spider {Attics, sp.) 

 was also eaten without hesitation. A second larva of M. 

 hrassicce was offered to the Wryneck, but, being of the brown 

 variety, he licked l)ut did not cat it ; the Sedge- Warbler took 

 it directly. 



