proportioned like an egge

In the river of Panuco there is a fish like a calfe, the Spanyards call it a Mallatin, hee hath a stone in his head, which the Indians use for the disease of the Collicke, in the night he commeth on land, and eateth grasse. I have eaten of it, and it eateth not much unlike to bacon. From thence we were sent to Mexico, which is 90 leagues from Panuco. In our way thither, 20 leagues from the sea side, I did see white Crabs running up & downe the sands, I have eaten of them, and they be very good m