174 GENUS ACTINIA. [DecembeK 



12. A. fiosculifera, Tentacula crowded together in 

 three rows, placed midway between the mouth and the 

 margin of the disc; margin furnished with several rows 

 of tubercles^ surmounted with small warts; body fleshy, 

 contractile, smooth, with several series of pores, separated 

 by small lines. 



Margin and centre of the disc^ and tubercles, of an um- 

 ber colour; tentacula of the same colour, but paler, fur- 

 nished with several oblong white spots, with a blackish 

 brown point in the centre of each spot. 



Inhabits the shores of the island of St. Thomas, in the 

 sand; it is likewise found in the crevices of rocks. Dia- 

 meter about two inches. 



13. A. denticulosa, Tentacula very short, obtuse, 

 disposed in contiguous lines, in the form of rays on the 

 disc, the largest at the margin, the smallest very near the 

 mouth. 



Body soft, of a feeble contraction; disc very large, va- 

 ried with fine blue, yellow, red and violet colours, inter- 

 mingled, and ornamented with several series of tentacula, 

 of the same colour as the disc, the longest of which tenta- 

 cula are about eleven in number^ the intermediate ones 

 are five or six, and shorter; the 7nouth is not plaited, its 

 circumference is of a greenish yellow colour; diameter 

 three or four inches, height about two inches. 



Inhabits amongst the marine plants, in the sand, at the 

 island of Barbadoes. 



14. A, crucijera. Tentacula^ at the margin, very nu- 

 merous, ill a simple row, furnished with several transverse 



