CONTENTS 



PREFACE v 



LIST OF ILLUSTRATIONS ix 



INTRODUCTION. By Trevor Kincaid i 



ARACHNIDA. By Nathan Banks 35 



MYRIAPODA. By O. F. Cook 47 



APTERYGOTA. By Justus Watson Folsom 83 



ORTHOPTERA. By A. N. Caudell 115 



APHIDID^E. By Theo. Pergande 119 



HOMOPTERA. By William H. Ashmead.. 127 



HETEROPTERA. By O. Heidemann 139 



ODONATA. By Rolla P. Currie 145 



NEUROPTEROID INSECTS. By Nathan Banks 155 



COLEOPTERA. By E. A. Schwarz 169 



METAMORPHOSES OF ALASKA COLEOPTERA. By Trevor Kin- 

 caid 187 



LEPIDOPTERA. By Harrison G. Dyar 211 



INDEX 229 





(vii) 



