CRINOID& 



41 



\SSES OK l.c liIN.'i.l KM \ IA. 



1. Rudy mounted "ii :i > t a I k ,i i. 



l' Body with five arms; free laterouL 



3. Bodv Bpberical, \\ iili long spines I lea. 



4. Body elongated; akin soft, hardened bj plates. Hololhur . 



Fio. 40.— o, Pentacrimts oaput-meduam, half natural sizi\ b,calyx-dlsS 



The existing Crinoida live in very deep water. 

 crinus caput-meduscB (Fig. 40) lives attached to rocks in 

 the Wesl ti lies; ers live in the Atlantic Ocean, some- 

 times at the _ lepth of nearly three miles. A five 

 Crinoid (Antedon, Fig. 41) lives in rather shallow water, 



