Preoral Lobe - -f 



FlG.I. ASTERIAS BRANOTI. 

 Youngest efnbr^yo of brood 



Fie 2 OPHIOPLUTEUS N SP 7 



K/00 



Openings of 

 ' Brood pouches 



Position of openings 

 *> shown in> Fiy 4. 



.-Left Broad-pouch 



Riaht Brand-pouch 



FlG 3. ECMINOPLUTtUS ANTARC1I 

 X 1(10 



Ventral 

 Tentacles. 



FIG 5. CUCUMARIA CROCEA 

 Adult female to show 

 interior of brood -pouches. 

 x/ 



' . }', ',l~ru 7 



Fic 4 CUCUMARIA CROCEA 

 Adult female to show 

 openings of brood-pouches, 

 x 7. 



Part Can n I 



, Axial Sin it * 



. ^<" 



Polian. Vesicle - 



FIG 6. CUCUMARIA CROCEA. 



Young embryo born after 

 capture of mother 

 x IZi. 



' ' 



Ring Canal 



" IE soph a y 





FIG.?. CUCUMARIA CROCEA 



Transverse section through 

 anterior region of embryo 

 shown in Fig 6 



To be bound with plalr. [..irval l-icliiiioderius. 

 Antarctic (Discovery) Exp 



