shorter than scale, bears a setulose spine. Anten- 

 nal scale not distally segmented, fringed with nine 

 heavily plumose setae and subterminal plumose 

 seta on outer margin. Protopodite bears spine at 

 base of flagellum but not at base of scale. 



MANDIBLES (Figure ID).— Without palps; 

 well developed. Incisor process of left mandible 



bears three teeth in contrast to biserrate incisor 

 process of right mandible. Left mandible bears a 

 movable premolar denticle (lacinia mobilis) adja- 

 cent to incisor process and large subterminal tooth 

 on truncated molar process. 



MAXILLULE (Figure IE).— First maxilla, or 

 maxillule, bears coxal and basial endites and an 



992 



