16 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Abdomen with submedian carinae of first 5 somites low, poorly 

 developed, but present; remainder of abdominal carinae well-formed, 

 spined as follows: submedian, 6; intermediate, 2-6; lateral, 1-6; 

 marginal, 1-5; sixth somite with sharp spine in front of articulation 

 of each uropod and with median ventral carina. 



Figure i.-Harpiosguilla harpax (de Haan), female, TL 118.2, Ambaro Bay: a, anterior 

 portion of body; b, outline of eye; c, outline of rostral plate; d, outline of lateral processes 

 of exposed thoracic somites; e, last two abdominal somites, telson, and uropod;/, basal 

 prolongation of uropod, ventral view. (Setae omitted). 



