Plate XXIX. The Male Prairie Horned Lark in Care of the Nestlings. 
Fig. 1. Male with excreta, on an old cabbage stump, by nest No. 
22, July 10, 1926, at Evanston, Ill 
Fig. 2. Male at nest C,, May 13, 1927, Ithaca, N. Y, 
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