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VOL. 123 



connected by median, concave ridge defining a deep pit between the 

 scales. 



Antennular peduncle short, about five-sixths as long as carapace. 



Antennal scales elongate, slightly shorter than median length of 



Figure 6. — Odontodactylus brevirostris (Miers), male, TL 56.9 mm, Hawaii: a, anterior 

 portion of body; b, third to fifth abdominal somites, in lateral view; c, propodus and 

 dactylus of raptorial claw; d, sixth abdominal somite, telson, and uropod; e, uropod, 

 ventral view (setae omitted in d, e). 



carapace; margin almost completely setose, proximal fourth of 

 anterior margin not setose, anterior setae much smaller than posterior. 

 Rostral plate short, evenly rounded; plate in juvenile specimens 

 trapezoidal or rounded, apex slightly deflexed. 



