26 G. C. Crampton and W. H. Hasey, The Basai Sclerites of the Leg iu Insects. 



Fig. 18. Mesothoracic leg of Mach 'dis , based on figure by Ver- 

 HOEFF, 1902. 



Fig. 19. Mesothorax of a Forficulid ventro-lateral view. 



Fig. 20. Mesothorax of Eosentomon , based on figure by Prell, 

 1913. 



Pig. 21. Prothorax of a Perlid (Perla), lateral view. 



Fig. 22. Metathorax of a Forficulid lateral view. 



Fig. 23. Metathoracic leg of an Ichneumon, lateral view. 



Fig. 24. Metathorax of Dytisciis, ventral view. 



