84 



B. IV. KxinkeL 



third broader at distal end which is rounded and provided with 

 numerous long setae, some of which are plumose ; secondary cutting 

 edge long ; molar tubercle prominent. Lower lip with outer plates 

 having anterior margin entire. First maxillae with small triangular 

 inner plate and 2-jointed palp, having terminal joint rounded api- 

 cally and provided with a few setae ; outer plate with distal margin 

 obliquely truncate and provided with toothed and branching spines. 

 Second maxillae with inner ]:)late rounded apically with setae on 

 inner margin ; outer plate somewhat longer than inner one and 

 provided with long setae apically. Maxillipeds with plates well 

 developed and 4-jointed palp ; inner plate rather slender, triangular, 

 provided with fairly stout spines apically ; outer plate with rounded 

 apex, furnished with odontoid spines and setae on inner margin 

 and apex; last joint of palp cylindrical, furnished with single stout 

 spine apicall}^ 



Fig. 32. Poduceroims SDjthia Boeck. 



In male, tirst gnathopods with trapezoidal epimeron projecting 

 well forward, ventral margin provided with short setae ; second 

 joint very stout and of moderate length, provided with long setae 

 at distal end of posterior margin; third joint short; fourth some- 

 what longer than broad and broader at distal end, articulating with 

 wrist by anterior margin ; ])osterior margin and apex provided with 

 long setae ; wrist triangular, somewhat longer than broad, with setae 

 on posterior and distal margins; hand oval, somewhat longer than 

 wrist and slightly broader, posterior margin passing by even 

 cur\e into palm which is convex and provided with submarginal 

 setae and a rather large prehensile spine ; hand also furnished with 

 fascicles of setae on anterior margin and apex ; linger of usual form, 

 rather long and bearing a single cilium near apex on inner concave 

 margin. 



Second gnathopods with subrectangular epimeron much higher 

 than long with ventral margin rounded; second joint stout and 



