Sentence:  "Lumbricus ſcaber. The rough Lumbricus." The Sea-worm. This ſpecies grows to a foot, or more, in length, and to the thickneſs of a man's finger. It is of a pale red colour, and is compoſed of a number of rings or annular joints, as it were, in the manner of the other; but the ſkin is <WSD>ſcabrous</WSD>, and all theſe rings are covered with little prominences, ſo that it is extreamly rough to the touch. 
Meaning of the word marked with <WSD> tags:  Covered with scales or scabs; "hence", very coarse or rough.