Guarding the margins – Manuscript Art

Chansonnier provençal (Vatican 3794)
Source: gallica.bnf.fr
Bibliothèque nationale de France, Département des manuscrits, Français 12474, fol. 227r.

There are a number of fanciful marginal figures in this manuscript, like this dragon on fol. 194r.

And this dog-faced chimera with a club on fol. 150v.