ECHINODERMATA OF NEW ENGLAND. 19 



Zanclea. Bell ov;il, with slight apical prominence. 

 Tubes four. Tentacles four, each with lateral branches 

 formed of ii small pedunculated cluster of cells. Proboscis 

 extends to opening into the bell-cavity. Bell walls with 

 cluster of lasso-cells above the origin of the tentacles from 

 the margin. 



Z. gemmosa. 



YOUNG TUHRIS. TUKRI8. 



OTOCYST OF EUTIMA. EUTIMA. 



Turris. Bell mitre-shaped, with apical prominence. 

 Tubes four. Tentacles numerous and of two kinds. The 



