SPONTANEOUS GENERATION. 27 



to the Amoebas and their protean congeners, Difflugia, Cornu- 

 spira, &c. 



Calling to mind now what I have said about the extreme 

 simplicity of the lowest animate forms, the Amoebas, Difflngias, 

 and the like, let us turn to an examination of the lowest condi- 

 tion of life in which any animal, whether high or low, can exist. 

 I mean the egg-state. 



