Dream anatomy
Google books is great for leafing through old and supremely weird tomes such as Juan Valverde de Amusco's 1559 Anatomia del corpo humano. This picture serves as the cover of Michael Sappol's Dream Anatomy, a history of renaissance anatomical art published by the U.S. Department of Health and Human Services. (Amazon link
) There is an accompanying web gallery, too. [via Chloe via Scientific Illustration]
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