14 THE FIRST PRINCIPLES OF HEREDITY 



thus formed becomes the starting-point of the new off- 

 spring. 



The common yeast (a one-celled plant organism) is a 

 very typical example. 



Budding as a means of reproduction is more frequent 

 than division, and can be found in all lower classes of 

 animals, right through the Sponges, Corals, Polypes, etc., 

 up to the Worms and Tunicates. 



Very often the new individuals arising from the buds do 



FIG. 5. DIVISION OF MYRIANIDA, A MARINE WORM. (After 

 Milne-Edwards.) 



(From Weismann, " The Germ-Plasm.") 

 a to g, the daughter-individuals according to their relative ages. 



not separate from the parent body, but, remaining attached 

 to it, and budding off further individuals in all directions, 

 form a ramifying conglomeration of animals, the animal- 

 stock. 



Typical examples are the Sponges, Corals, and Hydra- 

 polypes. Something similar can be seen in the marine 

 worm Syllis ramosa. 



Among the higher plants reproduction by budding is a 



