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PROCEEDINGS OF THE NATIONAL MUSEUM 



inner margin.^: Maxillule (fig. 70e) nodular, situated adjacent to pos- 

 terior lateral surface of labium base, with 2 setule-like projections 

 distally. Maxillae (fig. 70/) fused, foliaceous, situated at posterior 



0.5 mm 



(^ 004 mm. 



Figure 70. — Naobranchia species, female: a, dorsal view; b, lateral view (ma-2= maxillae). 

 Ventral view: c, anterior end of cephalothorax showing antennules (a-1) (antennae hidden 

 under antennules and not visible), mouth cone, maxillules, maxillipeds, and cup-shaped 

 structure lateral to mouth cone; d, left antennule; e, oral region showing antenna (a-2), 

 mouth cone, mandibles, and maxillule (ma-1);/, maxilla; g, right maxilliped. 



end of vermiform cephalothorax and included in anterior portion of 

 trimk. Fused maxillae forming obcordate ventral projection, fusion 

 appearing to be at distal ends of maxillae, not with body; maxillae 

 without distinct muscle bands. 



