CONTENTS xv 



CHAPTER XXVI 



PAGE 



CLASS INSECTA : Order VII. HYMENOPTERA (continued] . 401 



FAMILY 6. Formicidae (Ants). The Yellow Meadow Ant, 

 Slave-making Ants, Harvesting Ants, Honey-storing Ants, 

 Driver Ants, Leaf-cutting Ants ; classification of Ants ; 

 directions for practical work. 



CHAPTER XXVII 



CLASS INSECTA : Order VII. HYMENOPTERA (continued) . 430 



SUB-ORDER Hymenoptera parasitica: FAMILY 1. Tenthredi- 

 nidae (Saw-flies). The Pine Saw-flies, Rose Saw-flies, Currant 

 Saw-flies, Bean Gall Saw-flies, Turnip Saw-flies. FAMILY 2. 

 Siricidae. The Wood Wasps. FAMILY 3. Cynipidae. The 

 Gall Wasps and Inquilines. FAMILY 4. Ichneumonidae. The 

 true Ichneumon Wasps. FAMILY 5. Braconidae. The false 

 Ichneumon Wasps. Classification of Hymenoptera para- 

 sitica ; directions for practical work. 



INDEX . 449 



