CONTENTS. 



PREFACE TO SECOND EDITION- 

 PREFACE TO FIRST EDITION 

 INTRODUCTION ... 



I. ERIOPHYID.K (PHYTOPTID/E) OR GALL-MITES 

 II. COLEOPTERA (bEETLES) . 



iiL II — scolytid/E (bark-beetles) 



IV. HYMENOPTERA OAK GALLS 



V. n SAW-FLIES, ETC. 



VI. LEPIDOPTERA (mOTHs) . 



Vn. APHIDID^E (green-fly) . 



VIII. PART I. PSYLLID.E 

 „ II. CIGADID.E 



IX. COCCID.E (SCALE-INSECTS) 



X. DIPTERA (two-winged FLIES) . 



XI. HINTS ON COLLECTING, PREPARATION, AND 



Xn. LIST OF TREES WITH IN.IURIOUS INSECTS 



XIIL BENEFICIAL INSECTS 



XIV. INSECTICIDES AND GENERAL REMEDIES 

 APPENDIX ..... 



423 



