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. urtice to Missel-Thrush, Bulbul, and Starling ; 
crushed and eaten with evident relish. T’o Skylark, Levo- 
thrix, and Nightingales ; contents swallowed, the shell left. 
Imago of V. urtice to Missel-Thrush, Song-Thrush, Leio- 
thriz, Starlings, Blackbird, Bulbul, and Nightingale; eaten 
by all with pleasure excepting the Blackbird, which hesitated 
before finishing it. On the other hand, it was rejected without 
trial by the Sedge-Warbler, Wryneck, Cape Canary, and 
Rose-F inch. 
17th August. 
Offered larva of V. urtiece to Missel-Thrush, which rubbed 
it about and then swallowed it. To Ledothrix, which swal- 
lowed the contents but rejected the skin. Three Nightin- 
gales and a Starling eagerly devoured the larve entire; a 
Chaffinch ate part, but did not seem to relish it. 
Pupa of V. urtice to Chaffinch, which pecked but rejected 
it. ‘wo Siskins, two Cordon-bleus and sixteen other Wax- 
bills (Hstrelda, spp.), four Munia rufo-nigra, two other 
Munias, and the Rose-Finch entirely ignored them. On the 
other hand, two Nightingales and a Skylark seized and ate 
them at once. 
Imago of V. urtice to Missel-Thrush, Nightingale, Indigo 
Finch, and Chaftinch, all of which ate it without hesitation. 
It was, however, rejected by the Sedge-Warbler, and my 
eighteen Waxbills were all afraid of it. 
18th August. 
Offered pupa of V. urtice to Missel-Thrush, four Song- 
Thrushes, Blackbird, Bulbul, and Nightingale ; eaten by all 
without hesitation; it was ignored by the Wryneck. 
Imago of V. urtice to Nightingales, which ate them at 
once. 
Offered earwig to Sedge-Warbler ; not eaten. 
19th August. 
Offered larva of Mamestra brassice to Sedge-Warbler, 
which at once seized and devoured it. A spider (Adtus, sp.) 
was also eaten without hesitation. A second larva of JL. 
brassice was offered to the Wryneck, but, being of the brown 
variety, he licked but did not eat it ; the Sedge-Warbler took 
it directly. 
