246 ANDREW JACKSON HOWE. 



not wholly waste, and elaborate it into something 

 which may be serviceable in another part of the or- 

 ganism. The lymphatics constitute an important part 

 of the function of nutrition; and they work independ- 

 ently of the sanguineous system of vessels, of which 

 they are collateral. Fluids move in them by the same 

 forces that propel the blood in the capillaries. 



