NO. 3656 COPEPODS—LEWIS 3 
ays 
RUAN 
Ficure 1.—Hypothetical thoracic leg showing the various armament components (a=ad- 
hesion pad; C=large plumosities; c=small plumosities; Cl=large spikelike extension of 
segment; cl=small spikelike extension of segment; D=large denticulations; d=small 
denticulations; dH=large spine with denticulations; dh=small spine with denticulations; 
dm=denticulated membrane; dmH=large spine with denticulated membrane or mem- 
branes; fH=large spine with frilled membrane or membranes; fm=frilled membrane; 
H=large spine; h=small spine; [P=interpodal plate; m=membrane; mH=large spine 
with simple membrane or membranes; mp=setule with membrane on both sides; mp’= 
setule with membrane on one side, naked on other; n 1,2,3=endopodite segments one, 
two, three; P=plumose seta; P’=naked seta; PROT=protopodite; p=plumose setule; 
p’=naked setule; Q=seta with plumosities on one side, membrane on other; Q’ =seta 
with plumosities on one side, naked on other; r=numerous minute projections giving 
rugose appearance; rh=spinule; s=hairlike process; x 1,2,3=exopodite segments one, 
two, three; Z=spine with frilled membrane on one side, simple membrane on other) . 
