CA R YOPH YLLIA CEA . CA PNEA DsE. 



THE CROCK. 



Cdpnea sanguinea. 



Plate IX. Fig. 13. 



Specific Character. Body scarlet ; epidermis brown, 8-lobed. 



Kapnea sanguinea. Forbes, Ann. N. H. Ser 1. vii. 82 ; pi. i. fig. 1. 

 Capnea sanguinea. Johnston, Brit. Zooph. Ed. 2. i. 203 ; fig. 43. Cocks, 

 Rep. Cornw. Soc. 1851, 1 ; pi. i. figs. 1, 2. 



GENERAL DESCRIPTION. 

 Form. 



Base. Greatly expanded, irregularly inflated and lobe-like ; its outline 

 irregularly undulate ; adherent. 



Column. Cylindrical, pillar-like, higher than broad ; the margin form- 

 ing, when fully expanded, a thick and prominent granulate parapet, or 

 collar, with a deep fosse. Surface smooth, without loopholes, invested on 

 the lower two-thirds with a woolly epidermis, the upper edge of which is 

 regularly 8-lobed. 



Disk. Circular, entire. 



Tentacles. Extremely short, truncate, having the aspect of squared 

 tubercles ; arranged in three rows of sixteen each, those of the outermost 

 row the largest. Disk and tentacles perfectly retractile. 



Mouth. Round, slightly puckered. 



Colour. 



Column. Vivid vermilion, or dull brownish scarlet, with darker 

 longitudinal stripes on the inflated basal portion. Epidermis brown. 

 Disk. Yellowish flesh-colour. 

 Tentacles. Orange-scarlet, paler than the column. 



Size. 

 Height of column one inch ; diameter of disk one-fourth. 



