ASTR^ACEA. 
ILYANTIIIDjE. 
THE SA^^D PINTLET. 
Halcampa chrysanthellum. 
Plate VII. Pigs. 9, 10. 
Specific Character. Tentacles twelve, in one row, as long as the diameter 
of the column, banded. 
Actinia chrysanthellum. Peach, in Johnston’s Brit. Zooph. Ed. 2, 
i. 220 ; pi. xxxvii. figs. 10 — 15. Cocks, 
Rep. Comw. Soc. 1851, 6 ; pi. i. figs. 20, 21. 
Peachia (?) chrysanthellum. Gosse, Linn. Trans, xxi. 271 ; Man. Mar. 
Zool. L 31. 
Halcampa chrysanthellum. Ibid. Annals N. H. Ser. 3. i. 418. 
GENERAL DESCRIPTION. 
Form. 
Column. Cylindrical, lengthened, worm-like (extending to ten times its 
diameter or more) ; slightly invected ; terminating below in a rounded 
extremity, which is generally distended into a bladder-like form and 
translucent thinness, and is incapable of being retracted ; merging above 
into the tentacles without a parapet. Surface studded with excessively 
numerous, minute, sucking warts. 
Disk. Plane. Radii twelve, distinct. 
halp-disk of u. CHRYSANTiiELi.D.M {magnified). 
Tentacles. Twelve, strictly marginal, set in a single row, their feet in 
contact. Nearly cylindrical, with rounded extremities, about as long as 
the general diameter of the column, usually carried pointing upwards and 
outwards, slightly arched ; perfectly retractile by the ordinary process of 
inversion. 
