14 MARIE V. LEBOUR. 
Srace III (Plate 4, Figs. 3 and 7). Like Stage II in colouring. Body 
more elongated. Length 1-20 mm., 5 free thoracic segments. Urosome 
of 2 segments. All 5 swimming feet present, the 5th rudimentary. 
Appendage I. ANTENNULE with 16 segments, otherwise like II. 
Appendage II. Antenna like I and II, but with 6 bristles on the inner 
part of the endopodite. 
Appendage III. Manprs.e like I and II, but with 8 bristles at the 
end of the exopodite. 
Appendage IV. MAxXILLULE. 
Coxopodite with the gnathobase bearing 8 bristles. 
Basipodite like I and II, but with 3 bristles on the proximal lobe. 
Endopodite like I and II, but with 4 bristles on the first lobe and 10 on 
the end lobe. 
Appendage V. Maxiuia like adult. 
Appendage VI. MaAxiLuipep (Plate 5, Fig. 5). 
Endopodite of 4 segments, Ist with 3 bristles, 2 with one, 3 with one 
and a small outer bristle, 4 with 4 bristles at the end. 
Appendage VII. Ist Swimmine Foor (Plate 5, Fig. 6). 
Endopodite with 2 segments, distal segment with 4 bristles inside, 2 
terminal bristles, and one bristle outside. 
Exopodite with 2 segments, distal segment with 4 bristles inside, a 
terminal blade, and 4 thorns outside. 
Appendage VIII. 2np Swimmine Foor (Plate 5, Fig. 7). 
Endopodite with 2 segments, proximal segment with one bristle inside, 
distal segment with 5 bristles inside, 2 terminal bristles, and 2 bristles 
outside. 
Exopodite with 2 segments, one bristle on the proximal segment inside 
and a thorn outside, 5 bristles on the distal segment inside, a terminal 
blade, and 3 thorns outside. 
Appendage IX. 3rp Swimmine Foor (Plate 5, Fig. 8). 
Endopodite with 2 segments, one bristle on the proximal segment inside, 
distal segment with 3 bristles inside, 2 terminal bristles, and 2 bristles 
outside. 
EHxopodite with 2 segments, the proximal segment with one bristle inside 
and a thorn outside, the distal segment with 4 bristles inside, a terminal 
blade, and 2 thorns outside. 
Appendage X. 4TH Swimmine Foor (Plate 5, Fig. 9). 
Endopodite unsegmented, with 3 bristles. 
Exopodite unsegmented, with 3 bristles inside, a terminal blade, and 
3 thorns outside. 
