THE BEGINNINGS OF LIFE. 



211 



Monads in a manner presently to be described j whilst 

 in others they seemed to remain for a longer period 



Fig. 56. 



Simplest Mode of Development of Monads and Fungi from the 

 Pellicle. ( X 1670.) 



a, a. First stage of differentiation of separate and aggregated corpuscles. 



b, b. Such corpuscles in a more refractive condition, developing into 



Monads. 

 c, c. Fully-developed Monads. 



d. Larger area in first stage of differentiation. 



e. Refractive corpuscles which will develop either into Monads or 



Fungi. 

 /,/. More refractive corpuscles which give birth to mycelial filaments 

 as in g, and ultimately expand into" a form of Penicillium (h). 



in the condition of simple motionless corpuscles. 

 Other solitary corpuscles or small areas began to form in 

 the pellicle in precisely the same manner, though they 



P 2, 



