CONTENTS 



CHAPTER I 



PAGE 



THE GRASSHOPPER AND ITS ALLIES . . 1 



Key to the four principal families of Acrididre . . 2 



APPENDIX : Key to the principal families of the Orthoptera . 14 



CHAPTER II 



THE BUTTERFLY AND ITS ALLIES ... 15 



APPENDICES : Key to the principal families of Lepidoptera 41 



Key to the principal families of Hymenoptera ... 42 



CHAPTER III 



THE BEETLE AND ITS ALLIES ...... 44 



APPENDIX : Key to the principal families of the Coleoptera . 58 



CHAPTER IV 



THE FLY AND ITS ALLIES ...... 62 



APPENDIX : Key to the suborders of Diptera .... 02 



CHAPTER V 



LlTHOBIUS AND ITS ALLIES .... 74 



APPENDIX : Key to the principal families of the Myriapoda . 78 



Key to the commoner species of the genus Lithobius . . 79 



CHAPTER VI 



THE SPIDER AND ITS ALLIES ... 80 



APPENDIX : Key to the seven suborders of the Araueina . .95 



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