104 



B. JV. Kunkel, 



slightly curved, cylindrical, much smaller than third joint, provided 

 apically with clawlike spine. 



First gnathopods with rectangular epimeron about as long as broad 

 and with angles rounded, and with anterior ventral angle provided 

 with long setae : second joint rather stout, with anterior and pos- 

 terior margins parallel and provided with long setae ; third joint 

 very short ; fourth joint about as broad as long with apex rounded 

 and armed with a fascicle of setae ; wrist short, subrectangular with 

 anterior margin longer than posterior and with the latter provided 

 with long setae ; hand subrectangular, about twice as long as broad 

 and much longer than wrist, with posterior apex produced to form 

 a stout thumb against which the linger closes ; finger curved, small. 



Fig. 40. Chehira terebrans Philippi. 



.Second gnathopods with small triangular epimeron provided with 

 stout spines ; second joint rather longer and more slender than that 

 of first gnathopod with anterior margin provided with long setae ; 

 third joint shorter than Inroad ; fourth joint triangular, nearly twice 

 as long as broad with anterior and posterior margins slightl}- convex, 

 anterior margin and apex provided with rather long, plumose spines ; 

 w^ist subrectangular, as long as but narrower than j^receding joint ; 

 hand subrectangular, ver}^ long and slender, being longer than fourth 

 joint t)ut much narrower, smaller than that of first gnathopod, pos- 

 terior apex prolonged to form rounded thumb against which the 

 strongly curved but short finger closes to form a chela. 



Epimera of pereiopods rather small, j^ereiopods subequal in length 



