34 daewin's theory. 



ever "ready to be evolved, under certain known, or 

 unknown conditions;" and, of the many variations 

 which he adduces, fully nine-tenths are by him explic- 

 itly referred to the mere re-appearance of these long 

 lost characters. Of the cause of the appearance of 

 the other tithe, he says that he is in "profound ig- 

 norance." 



