THE EARTHWORM AND 7TN ALLIES 



141 



Clepsine 1 is a very flat and broad leech, which is 

 common under floating wood. It feeds on snails and 

 creeps like the inch -worm. The female carries its young 

 attached to its under surface (Fig. 127). 



FIG. 128. Pedicellina americana, an encloproctous bryozoan. A colony, 

 magnified 15 diams. Photo- of living animals by W. H. C. P. 



Possibly allied to the Gephyrea is the group of Bryozoa, 2 

 or moss-animals. These are noteworthy from the fact that 

 they are compound, many individuals budding off from one 

 another, as in plants. They are found abundantly both in 

 the sea and in fresh water. Two main groups are dis- 



1 From K-XeVTw, to steal. 2 fipvov. moss ; faov, animal. 



