Sentence:  And their young Ospraies bee counted a kind of <WSD>Ossifragi</WSD>: from them come the lesser Geires, they againe breed the greater, which engender not at all. Some reckon yet another kind of Ægle, which they cal Barbatæ; and the Tuscanes, <WSD>Ossifrage</WSD>. 
Meaning of the word marked with <WSD> tags:  The osprey.