IDS 



OPHIURA. 



OPHIURA. 



106 



Glut-Snake (Opliui.u-iu renlralU}. 



OPHIU'RA, a genuB of Invertebrate Animals belonging to the 

 family Echinodermuta. It has the body discoid, depressed, rnther 



Common Fnnd.Star (Ophiura Iczlurata). 



it, frmt; 4, Utk; e, portion of centre and arm magnified (front); rf, Ihr 

 i.mt (bck). 



small, subquinquelobate, coyered with a coriaceous skin, and provided 

 at its circumference with five simple, very long, very slender, squamous 



Ophiura aniiulosa. 



View of back (principal figure), a, portion of arm (under side), magnified ; 

 4, the tame (upper side) ; e, front view of centre. 



Ophiura granutata. 

 a, front ; &, back ; r, portion of arm at iho back, natural size ; rf, the same 



