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Re: reptile scale-->feathers

>   It is difficult to accept the traditional hypothesis that reptalian
>scales gave rise, more-or-less, directly to avian feathers. Or, as can be
>shown,  to most of the scales on birds. That is, the null hypothesis that
>reptalian scales and feathers shared a close common ancestry is easily
A follow-up question: what is the relationship of mammal hair to reptilian
Don Squires squired@interramp.com