Click here for a SLIDESHOW of all the Osius images. This is one of those illustrations in Osius where you have to ignore the caption; the publisher was trying to make this image do double-duty, illustrating a fable that it actually does not fit very well at all.
M0773 = Perry221. Source: De Furia 184. This is Perry 221. Compare the medieval fable of the serpent and the rose, #618.