MEMOIR OF LAMARCK. 
55 
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 articulated 
Animals. 
a 
Series of inarticulated 
Animals. 
Infusoria 
Polypes 
■A 
•2 
e. 
< 
Radiarii 
Ascidiens 
Epizoaria 
Acephala 
Mollusca 
Insecta. 
Annehdes 
Arachnides 
Crustacea 
Cinhipeda 
■= s 
£ c 
s < 
'Pisces 
Reptilia 
Aves 
Mammalia 
