HARD WICKE 'S S CIENCE - G O SSI P. 



-^Zl 



world-wide distribution, — the star-lishes and sea- 

 urchins. 



At first sight it seems strange to associate the 

 stemmed and jointed Encrinites with animals having 



renders it difficult for the young geological student to 

 understand that they are x\.o\. Zoophytes, or "plant- 

 animals." Then, again, the manner in which the 

 feathered arms fold up against the body, represented 



Fig. 123 



Fig. 125. Body of ditto, showing 

 proboscidal anus on summit, 

 and articulating places of the 

 arms. 



Figs. 120 and 121. Magnified portions of arms of Comaiiihi, 



showing joints or ossicles. 

 Fig. 122. One of the rays of arms of the Comatnla (magnified), 



showing terminal hook. 

 Fig. 123. Comatnla (reduced). 



Fig. 124. Nave Encrinite {Actiitocritius 

 iriacouiydaciylus). 



the power of locomotion. Perhaps it is the fact that 

 Encrinites were all fastened to one spot by means of 

 a jointed stem (just as a flower is by its stalk), which 



in illustrations of them, just as the petals of a tulip 

 are folded up ; and the flower-like aspect resulting 

 from this mode of rest ; the names attached to parts 



