PTERYLOGRAPHY
Source: 567
Pter′y‐log″ra‐phy (?), n. [[Pteryla + -graphy.]] (Zoöl.) The study or description of the arrangement of feathers, or of the pterylæ, of birds.
Source: 567
Pter′y‐log″ra‐phy (?), n. [[Pteryla + -graphy.]] (Zoöl.) The study or description of the arrangement of feathers, or of the pterylæ, of birds.