GROWTH OF THE COKAL COLONY 77 



characters to which undue importance has been attached are 

 disphxyed here. The interspaces may be smooth or rough, 

 they may be sculptured in various fashions, and they may 



Fig. 15. 



^^5^^Sf?^. 



Vegetative Repeoductiok in Corals. 



Diagram to illustrate reproduction by equal budding : the 



transverse lines show the surface-level at the time when 



division took place. 



be elevated or depressed ; but very great caution must be 

 observed and the possibilities of variation must be given due 

 consideration by any one who would assign specific rank to 

 any of their forms. 



