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Fig. 432. Examples of the orders of the Holothuroidea. A, Cucuniaria (Den- 

 drochirotae). B, Holothuria (Aspidochirotae) in dorsal view. B', The same, in 

 ventral view, with one tentacle enlarged. The bare strip does not represent 

 an interradius. C, Trochostoma (Molpadida) . D, Synapta (Synaptida). 

 E, Pelagothuria (Pelagothurida) . F, Deima (Elasipoda) in dorsal view, 

 F', The same, in ventral view. ten. tentacle, enlarged; tf. some of the tube 

 feet, extended. 



