THE tiTABFISH 



255 



also from small bits of organic matter in the mud which they 

 swallow. They live more concealed than the starfish, for 

 some burrow in the mud and others — such as our green sea- 



J 



rt--^(^'P' <^- f 







Fig. 246. — Part of basket fish (only a portion of one arm showing) viewed 

 from oral pole. In each inter-radius a pair of slits leading to the brood 

 pouches. From Lang. 



