Smithsonian Report, 1917. — Bartsch. 



Plate 24. 



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^^am^-^^'^tA^ t 



Two Views of Young Least Terns Illustrating Protective 

 Coloration. 



In the upper picture the bird is flattened against fl otsam of the liigh tide line. The eye, a little to the 

 left of the median line, will give a cue to the rest of the body. 



