iBir.] GENUS actinia: 175 



tubercles; centre of the disc covered with numerous small 

 tubercles. 



Body very soft, of a weak contraction; disc very large, 

 of a yellow colour, and reflected, bordered with white, and 

 greenish in the centre; tentacula pointed, smooth, entire 

 below, the transverse tubercles enlarged at their extremi- 

 ties, sometimes bilobated; base of the tentacula black, fur- 

 nished with ranges of tubercles, larger than those which 

 cover the disc, placed in the form of rays; tentacula red- 

 dish brown; transverse tubercles white; exterior margin 

 furnished with several rows of perforated tubercles. 



Inhabits in the midst of marme plants, attached to 

 stones, on the sand banks of the island of Barbadoes. 

 Diameter two inches and a half. 



15. A. osculifera. Disc furnished with five principal 

 rows of tubercles, and other intermediate ones, sur- 

 rounded by a large margin, which is smooth, and termi- 

 nated by short, unequal tentacula; mouth small, plaited 

 and produced. 



Body short, with several rows of perforated tubercles, 

 of a burnt-umber colour; ^wt yellow lines passing from 

 the mouth to the margin; the dispositioiv of the tubercu- 

 culated rays of the disc is as follows: five principal ones^ 

 five shorter intermediate, ten still shorter between the 

 last; each large tentaculum of the margin ornamented 

 with a yellow line. 



This species, like the preceding, ejects water through 

 the exterior perforated tubercles; tubercles of the disc 

 surmounted with several small pedunculated warts; colour 

 of the body reddish, which varies in difterent specimens; 

 diameter one inch and a half. 



