Fig. 2. 1—5, Trachythyone lechleri (Lampert). 1, Radial and interradial pieces of calcareous ring. 2, Plates 
from the body wall. 3, Tube foot deposits. 4, Plates from the posterior extremity of the body. 5, Rudimentary 
cups. 
6-10, Neopsolidium convergens (Herouard). 6, Cups from the dorsal skin. 7, Tentacle deposits. 8, Plates 
from the dorsal body wall. 9, Buttons from the ventral body wall. 10, Plates from the ventral body wall. 
