THE SWAN. 



WEB-FOOTED BIRDS. 



Thk birds arranged in this order are also known, under the 

 name of aquatic birds. They are distinguished by their feet, 

 the toes being united by a broad membrane, whicli assists them 

 in swimming. Several live uniformly on the water, others in 

 companies on the water and on the land. There are many 

 that, may be tamed, but 1 shell only speak of those that are 

 able to live without being on the water. The number is thus 

 confined to six species, easily tamed at any age. 



