2 

 ** Organs not arranged in pairs. 

 Sub-kingdom IV. RADIATA. 



Animals whose organs are placed in a circle around the mouthy or 

 axis of the body, and which consequently exhibit no right nor left side. 

 Blood colourless, cold. 



Class 1.— ECHINODEEMATA. — Sea-cucumber, Trepang, Sea- 

 urchin, Star-fish, &c. 



C Sea-nettle, Portuguese Man-of-war, 

 „ 2. — ZOOPHTTA. — } Coral and Sponge Animals, coxmtless 

 (. aquatic microscopic beings, &c. 



Sub-kingdom I. VERTEBRATA. 



Class 1.— MA RIM ALIA, 

 or Animals whicli suckle their young. 



Sub-class I. PLACENTALIA. 



Animals provided with a placenta, by which the fcetus is connected 

 to the womb and nourished through the medium of the blood. 



Section A. UNOUICULATA. 



Limbs furnished with nails or claws. 



Obdeb 1.— BIMANA.— Man. 



„ 2.— QtrADRUMANA.— Old and New World Ape8,Marmozets, 

 Lemurs, &c. 



„ 8.— CHEIEOPTERA.— Bats, Elying Eox. 



„ 4.~IN.SECTIV0EA.— Hedgehog, Shrew, Mole, &c. 



„ 5.— EODENTIA.— Eat, Porcupine, Hamster, Squirrel, Eabbit, 

 Beaver, &c. 



„ 6.— CAENIVOEA.— Bears, Dog, Cat, Weasel, Otter, Sea 

 Otter, &c. 



