. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. W. H. LANG AND A. M. YOUNG. FIGL-RE 8. Clibiui'.irins I'ittatns: maxilla of zoeal stage I (A), II (B), III (C), IV (D), V (E). Mxp3 ( Fig. lOc) : uniramous 3-segmented with 5-6 terminal natatory plumose setae. U (Fig. 3C) : exopod fused to propod, 6-9 plumose setae present; endopod simple bud. ZoealV (,IV,ab} The rostrum and carapace remain unchanged. Pleopods (PI) vary from not present (Fig. 1, IV a) to conspicuous buds (Fig. 1, IV b). Leg buds may be present. The uropod has an articulated exopod and endopod. The telso
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. W. H. LANG AND A. M. YOUNG. FIGL-RE 8. Clibiui'.irins I'ittatns: maxilla of zoeal stage I (A), II (B), III (C), IV (D), V (E). Mxp3 ( Fig. lOc) : uniramous 3-segmented with 5-6 terminal natatory plumose setae. U (Fig. 3C) : exopod fused to propod, 6-9 plumose setae present; endopod simple bud. ZoealV (,IV,ab} The rostrum and carapace remain unchanged. Pleopods (PI) vary from not present (Fig. 1, IV a) to conspicuous buds (Fig. 1, IV b). Leg buds may be present. The uropod has an articulated exopod and endopod. The telson formula may be the same as stage III or increase by 1 seta to 9 + 9 (Fig. 3D). Larger individuals with well-developed leg and pleopod buds will molt directly into the megalopa. Al (Fig. 4D) : biramous, 2-segmented; peduncle unchanged; inner ramus, plain bud up to f length of outer ramus; outer ramus with 2-3 terminal aesthetascs, 4 terminal setae and 2 or more fine subterminal aesthetascs. A2 (Fig. 3D): basipod unchanged; endopod longer than scale, weakly seg- mented with terminal process; scale with 11-14 plumose setae. Mn : palp bud may be evident. M xl (Fig. 7D) : coxal endite with 7-8 setae ; remaining setation as in stage III. M.\2 i Fig. 8D) : proximal lobes of coxal and basal endites may increase to 9 and 6 setae, respectively; scaphognathite with 12-14 plumose setae. Mxpl (Fig. 9D) : setation as in stage II. Mxp2 ( Fig. 10D) : endopod setation as in stage II; exopod with 6-7 terminal natatory plumose Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass.
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