LIFE-PROCESSES OF CORAL COLONY 119 



species. Other examples of this entire change are not un- 

 common, and some very strange abnormalities may be found, 

 which show that in repair, as in adversity and in alteration of 



Fig. 43. 



Colony partly killed by Deposition op Sediment, 

 Showing abnormal type of division, 



environment, there is practically no limit to the developing of 

 the different main types of growth by any coral. It is common 

 in repair of injury, as it is in cases of adversity, that the 

 bounding walls of the newly budded zooids are never com- 

 pleted, and repair by a pseudo-meandrine form of fission is 

 often met with in many and widely separated species of coral. 



