A new Kingfisher from Panama

Among the birds obtained in the course of the Smithsonian Biological Survey of Panama are 28 kingfishers of the Ceryle americana group. Comparison of this large series, and examination of the birds from numerous localities in northern South America and within the wide distribution area (Panama to southern United States) originally assigned to Ceryle septentrionalis Sharpe, show that two well-marked races have been united under this name...(Document contains 4 pages)