ANIMAL KINGDOM. 



333 



Reptilia 



Tunicata 



r *i 



Acephala 



Mollusca 



t~ _J 



Pisces 



Aves 



Mammalia s 

 ..J 



Cirripeda 



Insecta 



I 

 Epizoaria 

 1 

 Annelides — Vermes 



Crustacea 

 I 



I ™ 



Aracbnida 



If any thing could convince me of the accuracy of my 

 method of investigation, it was the coincidence of the result 

 with this double series obtained by what, considering the 

 means he used, was little less than inspiration on the part of 

 Lamarck. His peculiar taste for affinities gave him a 

 glimpse of that order which it was easy for me, or indeed for 

 any person, to obtain, on applying those principles of which 

 the accuracy was first discovered among the Petalocera. 

 But is there no such thing in nature as a simple progres- 

 sion of beings ? I suspect, not. That a progression of some 



