Birds 



Amphibians 



PREVERTEBRATES 

 Amphioxus 



Mammals 



Insects 



Squids 

 Octopuses 



ECHINODERMS 

 Starfish, etc 



Arrow w 

 So git 



ROTIFERS 

 Troct)elmintties 



NEMERTIANS 

 Round worms 



FLAT WORMS 

 Plafylielmintties 



ANCESTRAL TROCHOPHORE- LI KE ANIMALS 



COELENTERATES 

 Hydroids, Jelly fisties' 



COMB JELLIES 

 Ctenoptiores 



SPONGES 

 P or if era 



ANCESTRAL COELENTERATES 



PROTOZOA 

 Amoeba 



ANCESTRAL PROTOZOA 



Ancestrol animal~plants 



I 



Primitive protoplasm 



Ancestral plants 



Plate II. A suggestion of relations within the animal kingdom. See Plate I. 



42a 



