Differential Gradient Functions in the Feather Germ

• 1 April 1938
• journal article
• research article
• Published by University of Chicago Press in Physiological Zoology
• Vol. 11  (2) , 187-201
• https://doi.org/10.1086/physzool.11.2.30151454

Abstract

Keywords

• FEATHER GERM
• DIFFERENTIAL GRADIENT FUNCTIONS
• GRADIENT FUNCTIONS IN THE FEATHER