TABLE OF CONTENTS. 



PART FIEST. 



PAGE. 



INTRODUCTION v 



INSECTS INJURIOUS TO THE APPLE 167 



Tho Codliiig-moth, or Apple- worm (Carpocapsa pomotiella. Linn.) 167 



The Hand-maid Moth, or YeUow-necked Apple-tree Caterpillai" (Datana minintra. Drury.) 186 



INSECTS INJURIOUS TO THE COTTON-WOOD 193 



The Cottou-wood-leaf Gall-lou.so (Pemphigus populicaulis. Fitch.) 1!)3 



TRANSPORTATION OF USEFUL INSECT PARASITES - 200 



PART SECOND. 



OUTLINES OF ENTOMOLOGY •. 1 



Insects in general ^ ^ ^ . 1 



Internal structure of insecta ^ . . . . ^ , 2 



Organs of the senses ^ 5 



Sounds produced by insects 7 



Metamorphoses of insects 8 



Sexes of insects 9 



External structure of insects 10 



The head and its appendages (10). The thorax and its appendages (12). The abdomen and 



its appendages (14) 10 



Capturing and preserving insects 14 



Instinct of insects 17 



Insects in general, from a practical point of view 17 



Use of learned and scientific terms 21 



Classification and nomenclatiu-e <■ 22 



Division of insects into orders - 24 



The Coleoptera 26 



The Coleoptera, from a practical point of view 29 



Aids in classifying the Coleoptera - 32 



Classification of the Coleoptera. . . ^ i ^ 35 



