34 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Propodi of third and fourth thoracic appendages broader than long, 

 with ventral ribbing; propodus of fifth appendages as broad as long! 

 with inferior brush of setae. 



Mandibular palp and 5 epipods present. 



Exposed thoracic somites smooth, lateral margins rounded or sub- 

 truncate; basal segment of each walking leg unarmed; endopods of 



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Figure \\.—Acanthosquilla humesi, new species, female holotype, TL 62.5, Nosy Be: a 

 anterior portion of body; b, raptorial claw; c, last two abdominal somites, te'lson, and uro- 

 pod; d, telson, ventral view; e, uropod, ventral view (setae omitted). 



walking legs 2-segmented, subcircular on first 2 legs, ovate on last; 

 eighth somite without noticeable ventral keel. 



Abdomen depressed, somites broad, smooth, unarmed except for 

 slender posterolateral spines on sixth; sixth somite with prominent 



