MOLLUSCA PEOPEK. 



207 



are probably cjiruivfirous, feeding upon small Crustaceans and other 

 diminutive creatui-es. TliouijL all the living forms are small, Geo- 



Fig. 147. — rtenipnrla. A, Spiriali;^ ro^tralU. B, rnnunodermoit vk'lacTum. C, llcU-ro- 

 flisus huUrahmidt^s. All eiilai'ged. e Epiliodia or liiis ; ( Tentacles. I), Larva of 

 Cleodora lancrohifn, fjreatly enlarged (after Fol) ; v Ciliated lobes ; o Mouth ; 

 re Gullet; g 8t(jiiia!:h ; i Intestine; s 81ieil: n Yolk-sac. 



logy leads us to lielieve that formerly there existed comparatively 

 gigantic forms, which appear to be truly referable to this class. 



