1893.] 



MICROSCOI'ICAL JOURNAL. 



99 



vvoiikl sec tliat tlic individuality of tlie colony as a whole is not 

 vcrv prominent, and woidd think of the colony not as an animal 

 but as a colony of animals, each /ooid impressinj^ him by its own 

 individuality. Hut just as in Ilvilra the individualities of the cells 



arc lost in the higher unity of the resultant animal, so in hydroid 

 colonies it is possible to find some in which the entire colony is 

 such a unified whole that the separate zooids sink to the level of 

 organs in the higher individuality of the whole organism. This 

 view is very clearly illustrated by Nanomioy a member of the 



