REPORT ON THE PYCNOGONIDA. 



29 



Family III. Pallenid^. 

 Contains those Pycnogonida, which have strongly developed cheliform mandibles, and 

 either rudimentary palpi or no palpi at all. Ovigerous legs are present m both sexes, 

 and furnished with denticulate spines (Pallene), or present in both sexes and not 

 furnished with denticulate spines (some species of Phoxichilidium), or present only 

 in the males (other species of Phoxichilidium). Two genera: Pallene, Phoxichi- 

 lidium. 



