Bulletin, Vandehbilt Marine Museum, Vol. IV 



Plate 06. 



Meoma ventricosa (Lamarck): A, smaller tridentate pedicellaria ; B, detail of 



valve of tridentate pedicellaria, showing dentition; C, larger tridentate 



pedicellaria; D, primary spine from the region of the actino- 



some; E, distal end of an actinal pedicel, showing 



mat-like mass of tentacles; A, B and 



C x 18, D and E x 15. 



