ASTRA ACEA. BUNODIDA. 



THE NECKLET. 

 Hormathia Margaritas. 



Plate VIII. Fig. 1. 

 Specific Character. White, with purple tentacles. 



Hormalhia Margarita. Gosse, Annals Nat. Hist. Ser. 3, iii. 47. 



? Actinia nodosa. Fabbicius, Faun. GrcenL p. 350 ; No. 341. 



GENERAL DESCRIPTION. 



FoBM. 



Base. Very closely adherent to a living Fusus antiquus; far exceeding 

 the column, and clasping the shell. 



Column. Skin delicate, much corrugated transversely ; below the margin 

 a horizontal row of large well-defined warts, about ten in number ; summit 

 extremely corrugated, and falling into radiating folds in incipient retracta- 

 tion. A slight but distinct margin. 



Disl: Slightly concave ; outline almost circular. 



Tentacles. Arranged in two or three rows, rather long, sub-equal, but 

 the inner row somewhat longer than the outer; when fully expanded, 

 curving over the margin. 



MoiUh. Not raised on a cone, slightly corrugated. 



COLOUB. 

 Column. White. 



Disk. White, streaked with very light brown. 

 Tentacles. Dark reddish purple, without any markings. 

 Mouth,. Lip slightly yellow. 



Size. 

 Diameter two inches ; height two inches. 



Locality. 

 Moray Firth, near Banff; deep water. 



