Z. on portrait by Boonen, 386. Zachary Boyd, 298. 406. Zenobia, A Jewess. 383. 421. 461. Zero, derivation of, 215. 268. Z.(Q.X.) on Genealogy of European Sovereigns, 92. Z.(X.Y.) query as to the meaning of trunk breeches, Barba longa, and mercenary preacher, 384.