EARLY DEVELOPMENT OF THE COMMON NEWT. 61 



Amphibia, the Ganoids, and especially the Dipnoi, will soon 

 put the matter to a crucial test. 



In conclusion, we must express our very sincere thanks to 

 Mr. F. M. Balfour for his never-failing kindness and assist- 

 ance to us while engaged in thi« work. 



