Nemertinea (&c.f,-om the Falklands. 291 



oesophageal region of the body. In the species no;v under 

 consideration the p.ts are present in both seLs,and extend in 



tTe levd ofX' ^'''^' ^'^'^^ '^'' "^'^^-^^^ ^-^^•^'-^>' t« '^bou 

 ine level or the nerve-rino-. 



The mouth is very sniaTl, and is not provided with distinct 



Fio-. 1. 



"-o 



---VrL 



Stenolahnus seriahs. Anterior end of female, lateral view 

 Am., ampulla of excretory gland ; E.v. P., excretory pore ; 

 -^■, "lateral organs "{?). "^ ^ ' 



lips or papillae. There is no buccal cavity the montb 

 leading directly mto the oesopliagus. The htter i, ? 

 and slender; it increases e-raduallv in fl.fJl . J°"^ 



posterior end, but there i^r:^&:t^"^^:Z::t^t 



