CONTENTS. 



PAGE 



PREFACE ..... 

 INTRODUCTION" .... 

 I. ERIOPHYIDiE (PHYTOPTID.E) OR GALL-MITES 

 II. COLEOPTERA (BEETLES) . 



III. n SCOLYTID.E (BARK-BEETLES) 



IV. HYMEXOPTERA OAK GALLS 



V. ii SAW-FLIES, ETC. 



VI. COCCIDiE (SCALE-INSECTS) 

 VII. LEPIDOPTERA (MOTHS) . 

 VIII. APHIDID/E (GREEN-FLY) . 

 IX. DIPTERA (TWO-WINGED FLIES) . 



X. PART I. PSYLLID^ 



ii II. CICADIDiE 

 XL HINTS ON COLLECTING, PREPARATION, AND 

 XII. INSECTICIDES AND GENERAL REMEDIES 



XIII. BENEFICIAL INSECTS 



XIV. LIST OF TREES WITH INJURIOUS INSECTS 



INDEX 



417 



