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U.S. NATIONAL MUSEUM BULLETIN 258 



Figure 48. — Lysianassa macromerus (Shoemaker), female, 5.0 mm., station 39-K-4: a, 

 lateral view; b, epistome-upper lip complex; c, mandible; d, lower lip; e, f, maxillae 1, 2; 

 g, maxilliped; h, inner lobe of maxilliped and enlargement of apical edge; i, end of max- 

 illipedal palp; /, k, gnathopods 1,2; /, end of gnathopod 2. 



set of 7 serrated spines and secondary set of 3 slightly smaller, asym- 

 metrically bifid (singly-serrate) spines; plates of maxilla 2 rather 

 stout, short, inner plate about two thirds as broad as outer plate; 

 palp of maxilliped greatly exceeding outer plate, article 4 of normal 



