PLATE 48 





A. Colored photograph of head and neck-mark of the wood-pigeon, G. pnhnnlw*. Natural size. Toda del., Apr. 



B. Colored photograph of head and neck-mark of Cohunlm >n,,,\n<>pl^ilin<i. Natural size. Toda del.. May 1910 



C. Colored photograph of anterior parts of adult malt- Geaphnp* x,,\ithi. Natural si/e. Toda del.. May I'.HO. 



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