Bulletin, Vanderbilt Marine Museum, Vol. IV 



Plate 91. 



D 



* •( 



Echinometra lucunter (Linne) : A, gemmiform pedicellaria from actinosome; 



B, large, open, gemmiform pedicellaria; C, trifoliate pedicellaria; 



D, large tridentate pedicellaria; E, tip of actinal 



pedicel ; all enlarged about x 30. 



