marginal puppy transport

courtesy discardingimages.tumblr.com. Pontifical of Guillaume Durand, Avignon, before 1390.

Paris, Bibliothèque Sainte-Geneviève, ms. 143, fol. 174r

See, everybody loves baskets of puppies, even huge walking rabbit-men.
I wonder all the time what purpose was served by the odd, charming marginalia in manuscripts. Turns out I wasn't the only one wondering - but even the British Library hasn't got an answer, as you'll see in this readable and well-illustrated article.