. The bird, its form and function . Fig. 12.—Early stages in the development of a down feather, showing closeresemblance to scale of fish or Fig. 12(1.—Later stages of Fig. 12. showing the first splitting up of the feather ]>ulp. soon brushed off and lost. Thus, little by little, inshreds and tatters, the baby ])lumage is shed and replaced Feathers 2 c by true feathers, which overhip, protecting the bod}- fromheat and coUb dust and rain.

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Keywords: ., bookauthorbeebewil, bookcentury1900, bookdecade1900, bookyear1906