The named designs, gathered out of the treatises' own plates — each one entered the way the tradition enters it: by what it is for.
36 designs · 63 plates · read from four volumes of the corpus
Before the designs, the rule the treatises give for reading them. The shapes are not ornament and the creatures are not chosen for looks.
The tradition's own families, in its own words. A design often carries more than one. Where a family is named in the treatises but appears on no plate, the count says so — the manuals write about more than they draw.
Birds, beasts, teachers, grids and numbers.