Xemertinea tix.fi'om the Falklands. 



2'JL 



ccsopliao-cal rop;ion of tlie body. In the species now uii'ler 

 consicleiation the pits are present in both sexes, and extend in 

 two rows from a littlo behind the anterior extremity to about 

 the level of the ncrve-rinp:. 



The nioiith is very small, and is not provided with distinct 



Fi^^ 1. 



Ex. P. 



Stetiulaimus serialis. Anterior end of female, lateral view. 



^?»., ampulla of excretory p-land ; Er.P., excretory pure ; 

 L., " lateral orgaus " (?). 



lips or papilhc. There is no buccal cavity, the mouth 

 leadinp; directly into the oesophagus. The latter is loiif; 

 and slender ; it increases gradually in thickness towards its 

 posterior end, but theie is no distinct bulb. The nerve-ring 



