LANG and YOUNG: LARVAL DEVELPOMENT OF HYPOCONCHA SABULOSA 



Figure 5. — Hypoconcha sabulosa. maxillule of zoeal stages I (A), II (B), and III (C). and megalopa (D). 



proximal margin; coxal endite with 5 or 6 stout 

 multidenticulate setae and 18-20 finer setae. 



MAX2 (Figure 6D) — With two-segmented en- 

 dopodite, 5 setae on terminal segment, 1 or 2 setae 

 on proximal segment; bilobed basal endite with 9 

 setae distal lobe, 8-10 setae proximal lobe, bilobed 

 coxal endite with 7-9 setae distal lobe, 20-22 setae 

 proximal lobe; scaphognathite with 37-40 plumose 

 setae. 



MXPl (Figure 7D) — Exopodite with 2 or 3 

 terminal and 2 or 3 subterminal plumose setae; 

 endopodite indistinctly segmented with 8 setae; 

 basipodite with 24-28 setae; coxapodite with about 

 15 setae. 



MXP2 (Figure 7H) — Exopodite with 5-7 termi- 

 nal and 2 subterminal plumose setae; endopodite 

 five-segmented, 5 or 6 terminal setae and 8-10 

 setae subterminal. 



857 



