CONTENTS. 



Page. 



Introduction 87 



Means of dispersal. 87 



Domesticated species may become noxious 88 



Sources of danger from noxious species 90 



Rats and mice 91 



Raljbits 93 



Tlie mongoose : 93 



Ferrets, stoats, and weasels . 96 



Flj-ing foxes, or fruit bats l . . - 96 



The English sparrow - 98 



The starling 101 



Themina 103 



The kohlmeise, or great titmouse 104 



The skylark, green linnet, and black thrush 106 



Need of legislation 108 



Summary _.. . 109 



ILLUSTRATIONS. 



PLATES. 



Page. 



Plate VIII. '^,hmgoose (Herix'stc'^ vihikjo) 93 



TEXT FIGURES. 



Fig. 1. Flj-ing fox {Pterojms sp.) 97 



2. Map showing spread of English sparrow in the United States 99 



3. Starling {Sturnus vulgaris) 101 



4. Mina {Acridotheres tristis) 103 



5. Kohlmeise (Parus major) _ 104 



6. Chickadee {Parus atricapillus) 104 



n 



