CONTENTS 



PAGE 



introduction . . . . . v 



termites ...... 1 



stone-flies . . . . . . .4 



dragon-flies ...... 8 



may-flies . . . . • . . .23 



alder-flies ...... 45 



ant-lions and lacewing-flies . . . .47 



caddis-flies ...... 57 



Appendix — 



notes on the food of trout in new zealand . 93 



general index ..... 101 

 plates and explanations .... 103 



