LIST OF PLATES 



Plate I. Bees and Ants . . . Frontispiece 



FACING PAGE 



Plate II. Bees . . . . . . 2 



Plate III. Bees ..... 10 



Plate IV. Wasps and Bees . . . .18 



Plate V. Wasps . . . . . 24 



Plate VI. " . . . . . .30 



Plate VII. "..... 36 



Plate VIII. Wasps, Ants and Ichneumon Flies . . 46 



Plate IX. Ichneumon Flies and Chalcis Flies . 56 



Plate X. Ichneumon Flies .... 60 



Plate XI. Wasps 68 



Plate XII. Saw-flies and Horn-tails . . .76 



Plate XIII. . ... 84 



Plate XIV. Saw-flies . . . . .92 



Plate XV. True Flies . . . . 104 



Plate XVI. " 116 



Plate XVII. " .... 128 



Plate XVIII. " 140 



Plate XIX. " . . . . 152 



Plate XX. ,6 4 



Plate XXI. " .... 176 



Plate XXII. " 1 88 



Plate XXIII. Neuropteroid Insects . . . 208 



Plate XXIV. " " 218 



Plate XXV. " " ... 228 



Plate XXVI. " " 238 



