Fig . 31. 
FAMILY VIII. ACTINIIDiE. 
19. Actinia,* Linnaeus. 
Character. Body conoid or cylindrical , adhering by a 
broad base : the space between the mouth and the rim of the up- 
per disk occupied by one or more uninterrupted series of conical 
undivided tubular tentacula which are entirely retractile . 
1. A. mesembryanthemum, body conoid , smooth ; tentacu- 
la numerous , multiserial ; margin of the oral disk ornamented 
with a circle of azure-blue tubercles, 
Var. «. Body and tentacula of a uniform liver-brown or olivaceous colour, 
rarely streaked with bluish or green lines. 
Vignette, No. 31. 
Ortie de mer, Reaumur in Mem. de l’Acad. Roy. des Scienc. 1710, pi. 10. 
fig. 22. Priapus equinus, Lin. Syst. edit. 10. 656. Hydra disci- 
flora, tentaculis retractilibus, extimo disci margine tuberculato, Gcertner 
in Phil. Trans, lii. 83, pi. 1. fig. 5 Actinia equina, Lin. Syst. 1088. 
Dicquemare in Phil. Trans, lxiii. 364, pi. 16, fig- 1-7- f Mull. Zool. 
* From cniriv, a ray. 
f Dicquemare himself uses no specific names : they were applied to his 
figures by Dr Solander, who, it is to be presumed, was well acquainted with the 
Linnsean species. 
