GRAND DIVISIONS. 15 



part of this aliment is carried into the circulatory 

 system by lymphatic vessels. 



Animals of this division being more complicated 

 iu their structure, are subject to a greater variety 

 of diseases. They have more acute pains and 

 more exquisite pleasures. 



Examples. Man, bat, squirrel, elephant, deer, 

 whale, eagle, humming-bird, tortoise, crocodile, 

 viper, frog, eel, shark, salmon. 



