CONTENTS. 
CHAPTER I. 
INTRODUCTION. 
INSECTS DEFINED. — BRAIN AND NERVES. — AlR-PIPES AND BrEATII- 
ing-holes. — Heart and Blood. — Insects are produced from 
Eggs. — Metamorphoses, or Transformations. — Examples ok 
Complete Transformation. — Partial Transformation. — Lar- 
va, or Infant State. — Pupa, or Intermediate State. — Adult, 
or Winged State. — Head, Eves, Antennas, and Moutii. — Tho- 
rax or Chest, Wings, and Legs. — Abdomen oii Hind-body, 
Piercer, and Sting. — Number of Insects compared with Plants. 
— Classification; Orders; Coleoptera ; Orthoptera; Hemipte- 
ra; Neuroptera; I.epidoptera; Hymknoptera; Diptera; Other 
Orders and Groups — Remarks on Scientific Names. . . 1-22 
CHAPTER II. 
COLEOPTERA. 
Beetles. — Scarab.eians. — Ground-Beetles. — Tree-Beetles. 
Cockchafers or May-Beetles. — Flower-Beetles. — Stag-Bee- 
tles. — Buprestians, or Saw-horned Borers. — Spring-Beetles. 
Timber-Beetles. — Weevils. — Cylindrical Bark-Beetles. — 
Capricorn-Beetles, or Long-horned Borers. — Leaf-Beetles. — 
Criocerians. — Leaf-mining Beetles. — Tortoise-Beetles. — 
Chrysomelians. — Cantharides. 23-140 
CHAPTER III. 
ORTHOPTERA. 
Earwigs. — Cockroaches. — Mantes, or Soothsayers. — Walking- 
Leaves. — Walking-Sticks, or Spectres. — Mole-Cricket. — 
Field Crickets. — Climbing Cricket. — Wingless Cricket. — 
Grasshoppers. — Katy-did. — Locusts. 141-101 
