'IHE NATURALIST, 1909. 



Plate XVIII. 



a. — Ottonia valga. 



b. — End of fourth joint of palpus 

 c. — End joint of first leg. 



d and e. — Papillae of body. 



/. — One of these much enlarged. 

 g. — Crista. 



d. — Ottonia clavata. 



h. — Papillae of body. 



c, d and e. — Papilla much enlarged. 

 /. — Palpus. 



British Earthtnites. 



