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. 209 



Chapter VI. — Order Thysanura 220 



Chapter VII. — Order Collembola 225 



Chapter VIII. — Order Orthoptera 230 



Chapter IX.— Order Zoraptera 270 



Chapter X. — Order Isoptera 273 



Chapter XL — Order Neuroptera 281 



Chapter XII. — Order Ephemerida 308 



Chapter XIII. — Order Odonata 314 



Chapter XIV. — Order Plecoptera 325 



Chapter XV. — Order Corrodentia 331 



Chapter XVI. — Order Mallophaga 335 



Chapter XVIL— 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 XXVI.— Order Trichoptera 555 



Chapter XXVII. — Order Lepidoptera 571 



Chapter XXVIIL— Order Diptera 773 



Chapter XXIX.— Order Siphonaptera 877 



Chapter XXX. — Order Hymenoptera 884 



Bibliography 99 1 



