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Fig. 1 . a, Villogorgia zimmermani: Spicules of the opercular point, collaret, tentacles, and pinnules, b, 
Villogorgia zimmermani form pallida: Spicules of the opercular point, collaret, tentacles, and pinnules, c, 
Villogorgia compressa: Spicules of the opercular point, collaret, tentacles, and pinnules, d, Echinogorgia rus- 
selli: Spicules of the opercular point, collaret, tentacles, and pinnules, e, Paracis orientalis: Oblique view of 
retracted zooid with its armature, f, Suberogorgia mollis: Oblique view of retracted zooid with its arma- 
ture. g, T oeplitzella laevis: Part of branch, enlarged, showing arrangement of verrucae. h, Scirpearia ery- 
thraea: Part of the stem, enlarged, showing arrangement of verrucae. 
