PLATE LXXIX. 



FIG. 



1-3. Cylindrgecium dilatatum^ p. 536 ; from specimens 

 developed on shell, with a large spinous dilata- 

 tion at the base of the zooecium. 



4, 5. ViCTORELLA PAviDA, p. 561 ; showing the expanded 

 and decumbent base of the cell, and the Campy- 

 lonemidan arrangement of the tentacles. 



6. , the tentacular wreath. 



7. , a zooecium in an early stage of develop- 

 ment, the polypide forming within the decum- 

 bent portion. 



