EUEOPEAX FOOt)-PLAXTS. 



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 argiUacea). 



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



in Europe. 



Cabbage {Brassica oleracea) . 



Rock rose ( Cistus Laurifolius) . 



Linden {Tilia Europtpa). 



Spindle tree (Euonymus terrucosus) . 



Sycamore (Acer Pseudo-Planianus). 



Tartar maple (Acer Tartaricum). 



White lupine {Lupinus albus). 



Maple {Acer platanus) and other species. 



Sainfoin {Onobrychis sativa). 



Chinese wistaria {Wistaria Sinensis). 



Pea vines (Pisum sativum). 



Honev locust {Gleditschia triacanthos) . 



Plum {Prunus domestica) . 



Prune {Prunus occidentalis f) . 



Peach {Pntnus Persica). 



Apricot ( Prunits Armeniaca) . 



Sloe (Prunus spinosa). 



English cherry (Prunus Avium). 



Laurel cherry (Prunus Laurocerasus) . 



Black service berry (Prunus padus) . 



White thorn (Cratcegus Pyracantha). 



Hawthorn (Cratwgus Oxyacanthd). 



Quince ( Cydonia v-ulgaris) . 



Mountain ash (Pyrus aucuparia). 



Apple (Pyrus malus). 



Pear {Pyrus communis) . 



European medlar (Mespilus German- 



ica). 

 Chinese medlar (Photinia semdata). 

 Loquat tree (Eriobotrya Japonica) . 

 Strawberry {Fragaria vesca) . 

 Rose (Rosa canina). 

 Rose (Rosa centif olio) . 

 Pomegranate (Punica granatum) . 

 Currant (Ribes alpinum) . 

 Gooseberry (Ribes Ura-crigpa). 

 Cucumber (Cueumis satirus). 

 Spotted hemlock (Conium viaculalum). 

 Water hemlock {Cicuta virosa). 

 Lettuce (Lactuca sativa) . 

 Heath (Erica Melaleuca). 

 Heather (Calluna vulgaris) . 

 Azalea, various species. 

 Pimpernel (Anagallis arrensis f) . 



Olive ( Olea Europcea) . 



Ash (Fraxinus excelsior). 



Rhubarb (Rheum Rhaponticum) . 



Elm (Ulmus campestris). 



Elm ( Ulmus effusa) . 



Elm CUlmus pedunculata) . 



Elm (Ulmus subrosa). 



Fig (Ficus Carica). 



Plane tree (Platanus orientalis). 



Walnut (Juglans nigra) . 



Cork oak ( Quercus suber) . 



Holm oak ( Querctis Ilex) . 



Winter oak (Querciu pedunculata, rar. 

 tardijlora) . 



Oak (Quercus pvbescens) 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 wiUow (Salix fragil is). 



Poplar willow (Populus nigra) . 



Aspen (Populus tremula) . 



Willow (Populus alba) and other spe- 

 cies. 



Fir (Pinus Abies) . 



Scotch fir (Pinus sylvestris). 



Pine (Pinus Picea). 



Larch (Larix Europtea) . 



Spruce (Abies excelsa) . 



Arbor vitae (Thuja occidentalis). 



Savin (Juniperus Sabina). 



Cypress (Cupressus sempercirens). 



Lime tree (Cupressus Limetta). 



Yew (Torus 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 



