Man. 



Lower Pbceatal Mammals. 



Marsupial Mamrr-iis. 

 Oviparous Mammals.' 





Amphibia. 



Insect. 



.Annelid. 



Schematic Worm. 



Hydra. 



Magosphaera. 



Apes. 



Birds. 



Reptiles. 



Fish. 



Mollusca. 



Turbellaria. 



Volvox. 



Amoeba. 



PHYLOCENETIC CHART OF PRINCIPAL TYPES 



AL LIFE., 



