MOUTH-PARTS OF THE PAL.EMOXID PRAWNS. 



67 



of the coxopodite is a knob, which bears bristles, and may represent 

 an endite. A sternal swelling which is sometimes present at the 

 base of the coxopodite may represent a precoxal endite. 



7. The main axis of the third maxillipecl (text-fig. 50) consists 

 of four or five joints (five in Leander and in Urocarklella, four in 



Text-figure 50. 



Third maxilliped of Leander serratus. 

 For lettering see p. 71. 



most Pontoniiirae), the propodite being always fused with the 

 dactylopodite and the ischiopodite with the meropodite, and often 

 also the basipodite with the ischiomeropodite, in which case the 

 junction is generally marked by a notch. The coxopodite bears 

 on the outside a small rounded epipodite, and often on the inside 



