TABLE OF CONTENTS 



PART II. THE CLASSIFICATION AND THE 

 LIFE-HISTORIES OF INSECTS 



Chapter V. — The sub-classes and the orders of the class Hexapoda . . 206 



Chapter VI. — Class Hexapoda 217 



Chapter VII.— The Apterygota 218 



Chapter VII. —Order Protura 218 



Chapter VII. — Order Thysanura 219 



Chapter VII. — Order Collembola 225 



Chapter VIIL— The Pterygota 



Chapter VIIL — Order Orthoptera 230 



Chapter IX. — Order Zoraptera 270 



Chapter X. — Order Isoptera 273 



Chapter XL — Order Neuroptera 281 



Chapter XII. — Order Ephemerida 308 



Chapter XIIL — Order Odonata 314 



Chapter XIV. — Order Plecoptera , 325 



Chapter XV. — Order Corrodentia 331 



Chapter XVI. — Order Mallophaga 335 



Chapter XVII. —Order Embiidina 338 



Chapter XVIII. — Order Thysanoptera 341 



Chapter XIX. — Order Anoplura 347 



Chapter XX. — Order Hemiptera 350 



Chapter XXI. — Order Homoptera 394 



Chapter XXII. — Order Dermaptera 460 



Chapter XXIII. — Order Coleoptera 464 



Chapter XXIV. — Order Strepsiptera 546 



Chapter XXV. — Order Mecoptera 550 



Chapter XXVL -Order Trichoptera 555 



Chapter XXVIL — Order Lepidoptera 571 



Chapter XXVIIL —Order Diptera 773 



Chapter XXIX. — Order Siphonaptera 877 



Chapter XXX. — Order Hymenoptera 884 



Bibliography 1008 



Index 1029 



