INTRODUCTION* - ,. . - \3 



SUB-KINGDOM III. Annuloida. 



CLASS 1. Scolecida. Ex., Tape-worm, Fluke, Wheel- 

 Animalcule. 



2. Echinodermata. Ex., Star-fish, Sea-Urchin, 

 Encrinite. 



SUB-KINGDOM IV. Mollusca. 



CLASS 1. Cephalopoda. Ex., Nautilus, Cuttle-fish, 



Squid. 



2. Pteropoda. Ex., Clio Borealis, Dentalium. 

 3. Gasteropoda. Ex., Snail, Limpet, Whelk. 

 4. Lamellibranchiata. Ex., Mussel, Cockle, 



Scallop, Oyster. 



SUB-KINGDOM V. Molluscoida. 



CLASS 1. Brachiopoda. Ex., Terebratula, Lingula. 

 2. Tunicata or Ascidioida. Ex., Sea-Squirt 

 3. Polyzoa. Ex., Flustra or Sea-Mat. 



SUB-KINGDOM VI. Coelenterata. 



CLASS 1. Actinozoa. Ex., Coral, Sea- Anemone, Sea- 

 Pen. 

 2. Hydrozoa. Ex., Hydra, Sea-Fir, Sea- Jelly, 





 SUB-KINGDOM VII. Protozoa. 



CLASS 1. Infusoria. Ex., Paramcecmm, Vorticella. 

 2. Rhizopoda. Ex., Sponge, Amoeba, Foramini- 



fera. 

 3. Gregarinida. Ex., Gregarina. 



