EXPLANATION OF PLATE 6, 



(Generic names.) 



Aptenodytes. 

 Podiceps. 

 Pelicanux. 

 Tachypetes. 



Fig 1. Penguin. - 



2. Grebe. ..... 



3. Pelican. - - 



4. Frigate bird. - - - 



5. Gull. > JMTUS. 



6. Duck. ...... Anas. 



7. Merganser. .... Mergvs. 



8. Darter. .... Plotus. 



9. Swan. ...... Cygnua. 



Order 

 V of 

 Palmipede* 



