LIST OF PLATES 



Plate I. Bees and Ants .... Frontispiece 



Facing Pagb 



Plate II. Bees . . . . . . . • >6 



Plate III. Bees I7 



Plate IV. Wasps 20 



Plate V. Wasps and Bees 26 



Plate VI. Wasps 27 



Plate VII. " 38 



Plate VIII. Wasps, Ants and Ichneumon Flies . . 39 



Plate IX. Ichneumon Flies and Chalcis Flies . . 42 



Plate X. Saw-flies and Horn-tails .... 43 



Plate XI. Ichneumon Flies 4^ 



Plate XII. Wasps 47 



Plate XIII. True Flies ....... 58 



Plate XIV. " " 59 



Plate XV. " " , « 70 



Plate XVI. Neuropteroid Insects ..... 7» 



Plate XVII. Saw-flies and Horn-tails . , , , 82 



Plate XVIII. Saw-flies ...-.«» 83 



Plate XIX. True Flies 94 



Plate XX. " " 95 



Plate XXI. " " 106 



Plate XXII. " " 107 



PlateXXIIl. " " '>8 



Plate XXIV. Neuropteroid Insects 119 



Plate XXV. " '30 



Plate XXVI. Cicadas and Leaf-hoppers . . .131 



xix 



