1887.] VALUE OF COLOUR AND MARKINGS IN INSECTS. 269 



August 12. — One Pijgcera bucephala larva was eaten, but this 

 species generally allowed to crawl about the cage unnoticed. 



August 27. — An evil-smelling inconspicuous Hemipteron refused 

 after tasting. 



August 30. — Lizards refused to eat the gooseberry sawfly. 



August 31. — Lizards ate common earwig and imagines of Trg- 

 phcena pronuha, T. orbona, and Atnpliipyra pyramidea. 



Sept. 5. — L. viridis $ killed, but refused to swallow a humble- 

 bee (Bombus). 



Sept. 14. — Lizards ate imagines of Mamestra brassicce, Pieris 

 brassiccF, and P. rapce. 



Sept. 27. — Zootoca vivipara ate larva of Tryphcena pronuha. 



Oct. 2. — Larvae of Tryphcena arbona eaten, and imagines of 

 Anchocelis pistacina seized and eaten greedily, but apparently 

 swallowed with difficulty. 



Oct. 4. — All the Lizards refused the imago of Vanessa urticee. 



Mr. Jenner Weir also informs me that the common Muscidse were 

 eaten with intense relish, their larvse and pupae being also eaten. 



APPENDIX IL 

 E. B. Poulton's Diary of Observations during 1886. 



May 8. — About this date one larva of L. quercus was offered to 

 L. muralis and L. viridis, but it was untouched, although allowed 

 to remain many days in the cages. One imago of Pieris rapce was 

 eaten. One imago of Dasychira pudibunda ( $ ) was seized and eaten 

 directly it was seen to move (Z. muralis). 



One larva of Mania typica was eagerly seized by two individuals 

 of L. muralis, being detected while it was rolled up and motionless 

 (feigning death). The larva was shaken and bitten, but it was not 

 swallowed, and the Lizards rubbed their jaws upon the wooden floor 

 of the cage, an evident sign of distaste. When the larva had been 

 thus wounded another Lizard came up and inspected it closely as if 

 it were going to bite, but soon retired without touching it. It seems 

 probable that this last Lizard was warned by the smell of the larval 

 fluids which had escaped after it had been wounded. 



Four pupae of Pygcera bucephala were introduced {L. muralis) 

 and were bitten, but at once relinquished with the signs of distaste 

 described above. 



Earthworms were eaten with great avidity by all the species of 

 Lizards. 



May 9. — Five imagos of P. rapce were eaten, two of them imme- 

 diately. One imago of Pieris brassicce was eaten at once, being pur- 

 sued by two or three Lizards {L. muralis). 



Two imagos of Pieris iiapi were immediately seized and eaten. 



One imago of Trichiosoma lucorum was eaten at once by L. muralis. 



May 18. — One imago of Chloephora prasinana was seized and 

 eaten the instant it was seen to move but not before (X. muralis). 



May 19. — One imago of Gonoptera libntrix was at once detected 

 Prog. Zool. Soc— 1887, No. XIX. 19 



