Sentence:  The head of this fish is as hard as stone. The inhabitants of the Ocean sea coast affirme that this fish casteth foorth <WSD>Amber</WSD>; but whether the said <WSD>Amber</WSD> be the sperma or the excrement thereof, they cannot well determine. 
Meaning of the word marked with <WSD> tags:  Ambergris, the waxy product of the sperm whale. (14th-18th c.)