DECAPOD CRUSTACEA FROM MADAGASCAR. 



9sr 



an exclusively fresh- water habitat and a restricted area of distri- 

 bution ; it may be not without significance therefore, that, of the 

 species of Palfemonidse in the present collection, P. hildehrandti is 

 the only one that does not occur outside the island of Madagascar. 



Measurements of Palmmon hildehrandti. 



