TABLE OF CONTENTS. V 
Chapter XI. 
Page. 
Insects injurious to the willow 557 
Affecting the trunk, 557— Injuring the leaves, 559— Other insects occurring 
on the willow, 59(5. 
Chapter XII. 
Insects injurious to the hackberry 601 
Injuring the leaves, 602 — Boring in the trunk, 610 — Cecidoinyidous hack- 
berry galls, 612 — Hackberry Psyllidae, 614. 
Chapter XIII. 
Insects preying upon the alder 623 
Boring in the trunk, 623 — Injuring the leaves, 625 — Other insects o£ the 
alder, 636. 
Insects injurious to the hazel: Feeding on the leaves, 637 — Affecting the 
nuts, 641 — Other insects, 641. 
Chapter XIV. 
Insects injurious to the sycamore, etc 643 
Boring in the trunk, 643— Eating the leaves, 644 — Other insects also occur- 
ring on the sycamore, 646. 
Insects injurious to the hop-hornbeain, or iron-wood, 647. 
Insects infesting the water- beech, hornbeam, 650. 
Insects injurious to the sassafras, 650. 
Insects injuring the honey-locust : Affecting the leaves, 652 — Other insects 
of the honey-locust, 653. 
Insects injuring the horse chestnut, or buckeye : Boring in the terminal 
twigs, 654 — Affecting the leaves, 656. 
Insects of the sweet-gum; 657. 
Insects injurious to the sour-gum tree, 657. 
Insects injurious to the prickly ash : Affecting the trunk and limbs, 659 — 
Eating the leaves, 661. 
Insects of the tulip tree, 663. 
Insects injurious to the sumach, 664. 
Insects injurious to the poison ivy, 665. 
Insects affecting the catalpa : Affecting the leaves, 666 — Affecting the pods, 
666. 
Insects injurious to the witch hazel, 668. 
Insects injurious to the magnolia, 669. 
Insects injurious to the papaw, 669. 
Insects injurious to the tree of heaven, 669. 
Insects injurious to the box elder, 669. 
Insects injurious to the mesquite, 670. 
Insects injurious to the persimmon, 671. 
Insects injurious to the California bay or laurel, 671. 
Insects affecting the China tree, 671. 
Insects injurious to the dogwood, 672 
Insects injurious to the box, 672. 
Insects injurious to the black alder, 673. 
Insects injurious to the Kentucky coffee tree, 673. 
Chapter XV. 
Insects injurious to the pine 674- 
Affecting the roots, 675— Affecting the trunk, 676— Affecting the twigs, 735— 
Affecting the leaves, 756 — Other insects occurring on the pine, 609. 
