PRIMITIVE MULTICELLULAR ANIMALS 



Fig. 9.3. I'olvox aureus: A, 

 surface view of a portion of 

 the colony; B, sectional view of 

 the edge of a colony; C\ parent 

 colony rupturing, releasing 

 young daughter colonies. (.4 

 and B, after C. Janet, 1912, 

 Le I'olvox; C, adapted from K. 

 von Frisch, 1952, Bwlogie, 

 vol. 1, printed by permission 

 of Bayerischer Schulbuch- 

 Verlag.) 



269 



