169 



center (Fig. 11), 3) an onter layer of small reticulated cups with more 

 or less widened margin (Fig. 12). The pedicels are provided with 



Fig. 9. 



Fig. 12. 



Fig. 11. 



Fig. 10. 



numerous curved plates like those in the body wall but there are no 

 true supporting rods. The terminal plates are large. The most remar- 

 kable fact about this Holothurian is the way in which it cares for its 



Fig. 13. 



young. One of the 3 specimens had on its back, imbedded in the soft 

 skin 4 small, ellipsoidal objects, which investigation showed were 



14 



