Happon—The Actiniaria of Torres Straits. 455 
ness, somewhat longer than diameter of oral disk, inner cycle longer than the outer; 
oral disk, circular; mouth, oval, on a cone. 
Colour.—Scapus, grayish drab, of the same colour as the coral which it inhabits ; 
capitulum, translucent, madder brown, with a white mark below each tentacle ; 
tentacle and disk, olive brown, with a longitudinal white streak along their oral 
aspect, which is continued across the disk to the mouth. 
Dimensions.—Length, when extended, 20 mm. ; diameter of column, 12 mm. 
Habitat.—In crevices of indurated dead coral rock, between tides; Cockburn 
Reef; N. Queensland. 
The specific name is given to this form, on account of its resemblance when 
retracted to a contracted Sipunculus nudus. 
Phellia Devisi, H. & S. 
Phellia Devisi, Hadd. and Shackl. 1893; Proc. R. D.S. vi, p. 129. 
(Pl. XXIIL., figs. 21-24). 
Form.—Body short, stout, columnar; pedal disk flat, adherent; scapus 
coriaceous, corrugated; capitulum delicate; tentacles short, with a swollen base, 
of about the same length as the diameter of the disk, inner cycles the longer; oral 
disk circular; mouth oval, no gonidial grooves apparent. 
Colour.—Scapus buff; capitulum translucent madder violet, with a ring of 
small white marks; tentacles cream, with an interrupted dark line on oral aspect, 
base dark brown, edged with bright deep green, the outer cycle without colour on 
base; oral disk chestnut colour; lips dark brown; stomatodzeum cream colour. 
Dimensions.—Height and diameter of column, about 7 mm. 
Habitat.—Crevices of indurated dead coral rock, between tides, Cockburn Reef ; 
N. Queensland. 
Unfortunately the specimens of these last two species were lost, and so no 
anatomical investigation of them could be made. ‘There is little doubt that they 
belong to this sub-family. 
Sub-Family.— Mrrripunz, Carlgr. 
Sagartiide with six or more pairs of perfect mesenteries, of which the six pairs 
of primary mesenteries are sterile; usually one gonidial groove with its pair of 
directives, but more may occur; body-wall relatively thin, and without a cuticle ; 
cinclides present (chiefly endodermal evaginations); well developed mesoglwal 
sphincter muscle. 
I have only slightly modified Carlgren’s definition of this sub-family. He 
