320 PROCEEDINGS OF THE NATIONAL MUSEUM vol. io8 



other food but as an addition to their diet. By itself, beeswax is not a 

 "total" food as it lacks nitrogen, without which no bird could survive 

 for more than a few weeks or a month. 



References 



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U. S. COVERNHENT rRINTINS 0FriCItl9lt 



