FFLVINATUA VITIS, VATl. RIBESLffi. 65 



9. Rose (Rosa sp.). (5 ovisacs.) 



10. Hawthorn (Crat&gus oxyacantha). (9 ovisacs.) 



GrKOSSULATCIACE^l. 



11. Gooseberry (Ribcs grossularia). (6 ovisacs.) 



LABIATE. 



12. Lavender (Lavandula spica). (5 ovisacs.) 



13. Cultivated thyme (Thymnsvulgaris). (8 ovisacs.) 



OLEIN^E. 



14. Privet (Ligustrum vulgar e). (15 ovisacs.) 



15. Lilac (Syr ing a vulgaris). (7 ovisacs.) 



RHODORACEJE. 



16. Rhododendron ponticum. (8 ovisacs.) 



17. Lime (Tilia sp.). (13 ovisacs.) 



CONIFER JE. 



18. Spruce Fir (Picea excelsa). (15 ovisacs.) 



19. Irish Yew (Tavus baccata, v&r. fastigiata, Lindl.). 



(6 ovisacs.) 



SALICINEJE. 



20. Willow (Salir. sp.). (19 ovisacs.) 



In due course the larvaB hatched successfully, and 

 could be seen actively disporting themselves over the 

 foliage and branches of the various plants ; those on 

 the gooseberry survived the first moult, but all the 

 rest died in the course of a day or so. Naturally 

 one did not expect the larvae to live on many of the 

 plants enumerated in the list, but I was rather sur- 

 prised to find that they did not establish themselves 

 on the hawthorn or willow, seeing that these are the 

 food-plants of P. vitis. The result would, no doubt, 

 have been infinitely more interesting had I conducted 

 the experiments on all the known food-plants of P. vitis, 

 but they were, unfortunately, not available at the time, 



VOL. II. 5 



