INTRODUCTIOxX. V. 



TABULAR VIEW of all the CLASSES in the ANIMAL 

 KINGDOM, from "Forms of Animal Life," by Professor RoUeston, 

 F.R.S. It will be seen on inspection that, with the exception of 

 the elevation of the Classes in Vermes for tlie sake of keeping 

 the great Annuloid and Annulose divisions together, the plan of the 

 Synopsis very nearly coincides with that of the following Table : — 



Mammalia. 

 Aves. VERTEBRATA. 



Reptilia. 



Amphibia. 



Pisces. 



Insecta. 



Arachnida. Myriapoda. 

 ARTHROPOQA. 

 Crustacea. 



Holothuroidea. 



Echiuoidea. 

 ECHINODERMATA. 

 Asteroidea. 

 Crinoidea. 

 Cephalopoda. 



Pteropoda. 



Gasteropoda. 

 MOLLUSC A. Lamellibranchiata. 



Tunicata. 

 Brachiopoda. 



Polyzoa. 



Annulata. Gephyrea. 



VERMES. 



Rotifera. 

 Nematelminthia. 

 Platyelminthia. 

 Ctenophora. 

 CCELENTERATA. 



Anthozoa. 

 Hydrozoa. 



Spongiadaj. Infusoria. 



PROTOZOA. 

 Rhizopoda. 



Gregarinse. 



