Feathers Fr
Feathers (fr., Plumes ; Ger., Pedern). The Word "feathers " Is Applied In A Comprehensive Sense To The External Covering, Or Plumage, Of Birds, Without Reference To The Minor Distinctions Arising From The Variety Of Form, And Of Industrial Application, Of The Several Portions Constituting The Whole. Feathers Consist Of ...
Fibrous Substances
Fibrous Substances [derived From Plants] (fl, Fibres Vegetates; Ger., Pflanzenfasern). The "fibrous" Portion Of Plants Consists Essentially Of Cellulose C„h,,,0„ A Carbohydrate Which Shows Great Resistance To Reagents That Produce A Marked Effect On The Other Portions Of Plants. This Resisting Property Constitutes The Value Of Such Fibres For The ...