Plate paper edition
Mathematical biology
Morphologia
Vol. VII
Figures 18-42

A scientific folio in navy cloth

Form obeys measure

A quiet system of letterpress serif, black hairline figures, and gilt rules for essays where geometry explains living structure.

Hairline Line-block ink
Plate Bound figures
Gilt Reserved rule
FIG. XVIII COORDINATES ALTERED UNDER GROWTH
Plate XVIII. A Cartesian field strained from regular measure into organic proportion.
RATIO SERIES GILT INDEX
Measured growth, printed without colour except the reserved rule.
This is the On Growth and Form design system, applied by Curio Design — a design-style library for AI agents. Full On Growth and Form guide → designbycurio.com/learn/darcy-thompson-growth-form-1917