103- BARTHOLIN (Thomas). De Unicornu observationes novae. Secunda editiones auctiores & emendatiores editae a filio Casparo Bartholino. Amsterdam, Hendrik Wetstein, 1678, in-12, fawn basane, spine ribbed, cloisonné and fleuronné, title page, red speckled edges (18th century binding). A rare second edition of this work on unicorns, after the one published in Padua in 1645. Title-frontispiece and 23 figures in the text and one folded plate. The margins of the copy are a little short, and the covers are rubbed.