234 Mr Harding, Note on two new Leeches from Ceylon. 



Counting the first oculiferous ring as the first ring, the eyes 

 occur on the first, second and fourth rings ; the male genital 

 opening lies between the 26th and 27th rings and the female 

 opening between the 29th and SOth rings (?) ; the anus lies 

 between the 68th and the 69th (and last) ring; and rings %Q, 67 

 and 68 are partly double. 



Length, in alcohol, about 7f mm. 



Habitat : — Ceylon, in fresh-water ; parasitic on the soft-tortoise, 

 Emyda vittata. 



