TJie Ampliipoda of Bernwda. 



93 



First gnathopods with rhomboidal epimeron, rather longer than 

 high and provided with short setae on ventral margin ; second joint 

 fairly stout with a semicircular process at antero-distal angle ; third 

 and fourth joints short, fourth twice as long as broad with setae 

 on apex ; wrist triangular, scarcely as broad as long, with short pos- 

 terior margin rounded and provided with a few long setae ; hand 

 oval, rather large, nearly twice as long as wrist and more than twice 

 as long as broad, widest portion very near proximal end, posterior 

 margin and palm forming an even curve, prehensile angle with a stout 



Fig. 36. Amphithoe jwUex sp. uov. 



spine, palm very oblique and provided with numerous setae ; finger 

 rather large and stout with concave margin bearing several serrations. 

 Second gnathopods with rounded epimeron and very stout se- 

 cond joint ; fourth joint rectangular, about twice as long as broad ; 

 wrist very short, triangular, considerably broader than long, 

 with free posterior margin very short and strongly convex and 

 bearing a fascicle of long setae ; hand exceedingly large, broader 

 at distal end than at proximal and somewhat longer than broad at 

 widest part, posterior margin produced to form a long, slightly 

 curved, thumblike process ; palm very oblique and shorter than 



