Gene and MD Osprey:

Dwight's 1925 monograph is now available on-line, free, thanks to the 
American Museum of Natural History ... beware, it's a very large PDF file ...

         http://digitallibrary.amnh.org/dspace/handle/2246/1245

Hope this helps ...

Phil


At 08:43 AM 12/12/2009, Eugene J. Scarpulla wrote:
(snip)
>For completeness, I will mention the following book.  I do not take 
>it in the field.
>Dwight, Jonathan, M.D.  1925.  The Gulls (Laridae) of the World: 
>Their Plumages, Moults, Variations, Relationships and 
>Distributions.  Bulletin of the American Museum of Natural History, 
>Vol. LII, Art. III,  pp. 63-401.
>(It is dated and long, long out-of-print and very expensive if a 
>seller can even be found.)

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Phil Davis      Davidsonville, Maryland     USA
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