Happon AnD SuHackLEron—Wew Species of Actiniaria. 121 
Habitat.-—(Of single specimen) surface of reef, Mer, January 18, 
1889. 
At first sight this species has very much the appearance of an 
Anemonia ; the specific name refers to the long tentacles. 
RHODACTID. 
Rhodactis bryoides, n. sp. 
Form.—Body, salver-shaped, with a well-marked crenulated 
parapet; oral disc expanded, of even contour, concave with promi- 
nent oral cone; mouth rounded, stomatodeum with twenty-four 
furrows, but no gonidial grooves; one or two short, knob-like 
tentacles on most of the crenulations of the parapet, but the bulk 
of the tentacles are compound, and are grouped in numerous 
radial lines, twelve of which run up the oral cone; there is an 
annular clear space between these centripetal and the peripheral 
tentacles. 
Oolowr.—Column, buff, grayish-brown or cinder colour; dise 
burnt-sienna colour; tentacles various shades of bluish-green, 
some on the disc are brown. 
Dimensions.—Diameter of disc, 32 mm. 
Habitat.—Surtace of reefs, Murray Islands. 
This species can readily be distinguished from the only hitherto 
described species of R. rhodostoma (Khr.) and R. Sancti- Thome 
(Duch. et Mich). ‘The specific name is derived from its mossy 
appearance. 
PHYMANTHIDZ. 
Phymanthus simplex, n. sp. 
Form.—Column, soft, corrugated when contracted ; suckers on 
lower portion increasing in size from below upwards; crenulated 
parapet; disc flat when fully expanded, never completely retrac- 
tile; mouth rounded, with two cesophageal grooves; tentacles of 
two kinds, centripetal and peripheral ; centripetal tentacles short, 
conical, arranged in three cycles, the inner cycles consisting of 
about 48 in number; peripheral tentacles arranged in four or 
five cycles consist of about 192 tentacles; aboral aspect of each 
