PLATE VII . 



Fig. I. Zygonetnertes thalassina. Outline of stylet apparatus of proboscis 

 ( X 50)- i^) i^> several accessory stylets from two individuals (X 225). 

 Sitka. 



2. Amfhifonis angulatus. Central portion of proboscis (X40). Taku 

 Harbor, za, central stylet and basis of another specimen (X So). 



3. Paranemertes pallida. Outline of middle region of proboscis ( X^o). 



4. P. carnea. Extremity of everted proboscis, with six pouches of acces- 

 sory stylets, of which but four are shown ( X 35)' Sitka. 



5. Atnphiporus exilis. Middle portion of proboscis, indicating, besides 

 central stylet and basis, eight pouches of accessory stylets (X4o)- 

 Yakutat. 



6. Amphiporus leuciodus. Stylet apparatus of proboscis showing the three 

 accessory stylet pouches ( X^o)- Victoria, B. C. 



7. Paranetnertes pcregrina. Outline of middle portion of proboscis 

 (Xso)- Virgin Bay. 



(9S) 



