EUROPEAN FOOD-PLANTS. 325 



experiment it seems evident that, if they were numerous in 

 a Southern cotton field, they might prove quite as destruc- 

 tive as the cotton worm (Aletia argillacea) . 



Plants upon which the Gypsy Moth Caterpillar has been known to feed 



in Europe. 



Cabbage {Brassica oleracea). 

 Rock rose {Cistus Laurifolius) . 

 Linden {Tilia Europeea). 

 Spindle tree (Euonytmis verrucosus) . 

 Sycamore {Acer Pseudo-Plantanus) . 

 Tartar maple {Acer Tartaricum) . 

 White lupine {Lupinus albus). 

 Maple {Acer platanus) and other species. 

 Sainfoin ( Onohrychis sativa) . 

 Chinese wistaria ( Wistaria Sinensis) . 

 Pea vines {Pisum sativum). 

 Honey locust {Gleditschia triacanthos) . 

 Plum {Prunus domestica). 

 Prune {Prunus occidentalis ?) . 

 Peach {Prunus Persica) . 

 Apricot ( Prunus Armeniaca) . 

 Sloe {Prunus spinosa) . 

 English cherry {Prunus Avium). 

 Laurel cherry {Prunus Laurocerasus) . 

 Black service berry {Prunus padus) . 

 White thorn {Crataegus Pyracantha). 

 Hawthorn {Crataegus Oxyacantha). 

 Quince ( Cydonia vulgaris) . 

 Mountain ash {Pyrus aucuparia). 

 Apple {Pyrus malus). 

 Pear {Pyrus communis). 

 European medlar {Mespilus German- 

 ica) . 



Chinese medlar {Photinia serrulata). 

 Loquat tree {Eriobotrya Japonica) . 

 Strawberry {Frag aria vesca). 

 Rose {Rosa canina) . 

 Rose {Rosa centifolia). 

 Pomegranate {Punica granatum) . 

 Currant {Ribes alpinum). 

 Gooseberry {Ribes Uva-crispa). 

 Cucumber {Cucum.is sativus). 

 Spotted hemlock ( Conium maculatum) . 

 "Water hemlock {Cicuta virosa). 

 Lettuce {Lactuca sativa) . 

 Heath {Erica Melaleuca) . 

 Heather ( Calluna vulgaris) . 

 Azalea, various species. 

 Pimpernel {Anagallis arvensis ?) . 



Olive ( Olea Europeea) . 



Ash {Fraxinus excelsior). 



Rhubarb {Rheum Rhapo?iticum) . 



Elm ( Ulmus campestris) . 



Elm ( Ulmus effusa) . 



Elm {Ulmus pedunculata). 



Elm {Ulmus subrosa). 



Fig {Ficus Carica). 



Plane tree {Platanus orientalis). 



Walnut {Juglans nigra) . 



Cork oak ( Quercus suber) . 



Holm oak ( Quercus Ilex) . 



Winter oak ( Quercus pedunculata, var. 

 tardiflora) , 



Oak {Quercus puhesceyis) and other 

 species. 



Chestnut {Castanea vesca). 



Beech {Fagus sylvaticus). 



Hazel-nut {Corylus Avellana). 



Hornbeam {Carpinus betulus). 



Hornbeam ( Carpinus orientalis) . 



Sweet gale {Myrica gale) . 



Birch {Betula alba) and other species. 



Alder {Alnus glutinosa) . 



Speckled alder {Alnus incana). 



Osier willow {Salix viminalis). 



White willow {Salix alba). 



Brittle willow {Salix fragilis) . 



Poplar willow «(Po/?i/^MS nigra). 



Aspen {Populus tremula) . 



Willow {Populus alba) and other spe- 

 cies. 



Fir {Pinus Abies) . 



Scotch fir {Pinus sylvestris) . 



Pine {Pinus Picea) . 



JjSiYch. {Larix Eurojjcea). 



Spruce {Abies excelsa) . 



Arbor vitce ( Thuja occidentalis) . 



Savin {Juniperus Sabina). 



Cypress {Cupressus sempervirens) , 



Lime tree {Cupressus Limetta). 



Yew {Taxus baccata). 



Grass, various species. 



Grain. 



An Experiment in /Starving Caterpillars, 

 March 20, 1895, twenty-five newly hatched caterpillars, 

 and also the same number from each of the first, second and 



