Sentence:  Its Principal R[iver] of all thoſe mention'd, is the "Yare" on which "Norwich" and "Yarmouth" ſtands, in which R[iver] the <WSD>Ruff</WSD>, a Fish is found, remarkable for being all over Prickles; ... 
Meaning of the word marked with <WSD> tags:  (nodot=1): a small freshwater fish of the genus (ver=170921); "specifically" the Eurasian ruffe ((ver=170921) or (ver=170921)) which has spiny fins; the (id=fish).