u 



A Visit to Llandudno. 



for hours I could trace no co-ordination between the movements 

 of the stems and those of the tentacles. They were not directed 

 to a common object of catching food, and if the Pedicellince, like 

 other polyzoa, possess a " colonial nervous system," they have 

 no brain capable of directing their whole mechanism to an in- 

 telligently devised end. 



TEDICELLINA ECHINATA. 

 (c, c, c, Ciliary Action.) 



The wholo class of polyzoa possess, so far as I have ob- 

 served them, very restless stomachs, and in the Pedicellina 

 the particles of food were not suffered to bo a moment at rest, 

 but were spun round and round by tho constant action of the 

 cilia with which tho digestive tube is lined. In the pursed- 

 up individual to the left of tho engraving, tho dark mass ap- 

 peared to consist of tho remains of a feast, ready to be turned 



