27B 
GENUS I. CAPNEA (Forbes). 
Base expanded, swollen, adherent. 
Column cylindrical, pillar-like ; the margin forming 
a thick parapet, with a fosse. Surface smooth, without 
loopholes, invested with a woolly epidermis. 
Bisk circular, entire. 
Tentacles very short, truncate, retractile. 
But one species is known, C. sanguinea. 
