Havpon—The Actiniaria of Torres Straits. 403 
Zoanthus Jukesii, H. & 8. 
Zoanthus Jukesii, Hadd. and Shackl., 1891. Trans. R.D.S. (2) 1v., p. 678; 
Pl. uxt., figs. 835; Pl. uxm., fig. 2; Pl. uxm., fig. I. 
Form.—Body short and thick; body-wall smooth and delicate; coenosare 
forming stolons. 
Colour.—Body and stolon translucent grey, the endoderm shining through with 
a brown tint; capitulum pink, with twenty-four dark lines; disk brown, usually 
with pairs of pale lines (mesenteries) for inner cycle of tentacles; mouth with 
greenish lip; cesophagus grey ; tentacles, inner cycle green with dark marks on 
the oral aspect, outer cycle opaque pink; all the tentacles with a dark spot at the 
tip; the base of the tentacles of the outer cycle sometimes tinged with green. 
Dimensions.— Height, 7-12 mm. ; diameter of disk, 6 mm. 
Locality F ringing reef, Mer. 
Zoanthus Macgillivrayi, H. & S. 
Zoanthus Macgillivray’, Hadd. and Shackl., 1891; Trans. R. D. 8. (2) 1v., p. 680, 
Pijux,, fe 6; Pliixm.,fo.35 Plirxnr., fic. 2; Pl. uxiy., fig. 5—8. 
Form.—Body transversely wrinkled below, smooth and slightly swollen above ; 
with a thick cuticle; disk large; ccoenosare forming a flattened stolon. 
Colowr.—Y ellowish in alcohol. 
Dimensions.—Height, 18mm.}; average diameter of column, 3 mm.; diameter 
of disk, 6°5 mm. 
Locality.—F ringing reef, Mabuiag. 
Zoanthus Australiz (Saville-Kent). 
Acrozoanthus Australie, Saville-Kent, 1893 ; “‘ The Great Barrier Reef of Australia,” 
p- 154; fig. on p. 153; chromo pl. iil., figs. 4, 4a. 
Zoanthus Australie, . Waddon, 1895; Proc. R. D. 8. vu. (N.S), p. 346. 
Acrozoanthus Australie, Saville-Kent, 1897; ‘‘ The Naturalist in Australia,” p. 225 ; 
plexi. 
Form.—Body smooth, about as broad as high, forming somewhat spherical 
knobs when contracted. The daughter polyps mainly bud from the base of the 
parent ; ccenosare incrusting. 
Colour.—Body dull green, inclining to pinkish, speckled with red-brown; 
capitulum brilliant emerald-green ; oral disk dull orange, spotted with red-brown ; 
tentacles rich chocolate-brown, sometimes somewhat purplish. 
Dimensions.—Diameter of expanded corona about 1 inch (25 mm.). 
302 
