KINGDOM ANIMALIA. 



* Organs arranged in pairs. 

 SUB-KINGDOM I. VERTEBBATA. 



Animals which possess an internal skeleton, of which a back-bone, 

 or vertebral column, composed of numerous joints, is always present. 

 Blood red; sexes distinct; limbs never exceed two pairs. 



f Pulmonata, respiring by lungs. 



CLASS 1. MAMMALIA, blood warm. Man, Beasts, Dugongs, 



Whales, &c. 



2. AVES, blood warm. Birds. 

 3. REPTILIA, blood cold. Lizards, Snakes, Tortoises, 



Frogs, &c. 



ft Branchiata, respiring by gills. 

 4. PISCES, blood cold. Fish. 



SUB-KINGDOM II. ANNULOSA. 



Animals without an internal skeleton : protected externally by a 

 more or less hard articulated integument, and whose bodies and limbs 

 are divided into segments or joints. Blood colourless, cold. 



CLASS l.AKTICULATA. Insects, Centipedes, Spiders, Crabs, &c. 

 2. ANNULATA Worms, Leeches, Intestinal Worms, &c. 



SUB-KINGDOM III. MOLLUSCA. 



Animals invertebrated, inarticulated, whose bodies are soft, and 

 usually protected by a hard, calcified shell. Blood colourless, cold. 



CLASS 1. CEPHALOPODA. Squid, Argonaut, Cuttle-fish, Nauti- 

 lus, &c. 



2. GASTEKOPODA. Periwinkle, Ear-shell, Land and Sea 

 Snails, &c. 



3. PTEEOPODA. Hyatea, Clio, &c. 



4. BRACHYOPODA Lamp-shells, Lingula, &c. 



5. COX CHIFEEA. Oyster, Mussel, Cockle, &c. 



6. TUNICATA. Sea-squirts, Ascidiane, Social Ascidians, &c. 



