MEMOIR OF LAMARCK. 



ao 



occurred to him regarding the general arrangement 

 of animals, and instead of presenting them in a 

 simple series, he divided them into two subramose 

 series, as follows : — 



Series of inarticulated 

 Animals. 



Infusoria 



Potypes 



Series of articulated 

 Animals. 



3 1 



Radiarii 



Ascidiens 



Vermes 



Epizoaria 



Acephala 



_i_ 



Mollusca 



Annelides 



Insecta 



Arachnides 



Crustacea 



Cirrhipeda 



Pisces 

 Reptilia 

 Aves 

 Mammalia 



