JO Synopsis of the Birds 



Family Lobipedes. 



Genus 75. Podoa. Bill serrated. 



76. Podiceps Bill entire. 



Family Pygopodes. 

 * Feet four-toed. 



77. COLYMBUS. 



** Feet three-toed. 



78. Uria. Bill nearly straight, pointed : nostrils half 



closed by a feathered membrane. 



79. Mormon Bill curved, exceedingly compressed, 



higher than long : nostrils half closed by a 

 naked membrane. 

 SO. I^lca. Bill curved, exceedingly compressed, 

 longer than high : nostrils half closed by a 

 feathered membrane = 



