CHAPTER X 

 The Hunters of Large Orthoptera 159 



Priononyx atratum 



Priononyx thomae 



The relation of Stilus unicinctus to Priononyx 



thomae 



Chlorion ichneumoneum. 

 A locust-hunter that makes twin cells 

 Chlorion cyaneum 

 Chlorion (Isodontio) Auripes 

 The prey of Ammobia bridwelli 



CHAPTER XI 



The Sand-loving Ammophila 207 



Sphex pictipennis 

 Sphex procera 



CHAPTER XII 

 Some Social Wasps. Experiments on the Homing of 



Polistes pallipes 244 



Polistes rubiginosiis 

 Polistes annularis 

 Polistes pallipes 

 Polistes bellicosus 

 Vespida germanica 

 Vespa maculata 



CHAPTER XIII 



The Mining and Other Wasps of the Family Eumenidae 297 

 Odynerus geminus 

 Odynerus dorsalis 

 Odynerus anormis 

 Odynerus pedestris 

 Odynerus designatis 

 Odynerus foraminatus 



xi 



