An imperfect copy of Thomas Pennant: Arctic Zoology. Vol. I. Introduction. Class 1. Quadrupeds (London, 1784), wanting pp. xxi-xxii, xxv-xxxii, lxxvii-lxxx, and xciii-xciv. Corrections and additional notes, in the hand of David and Thomas Pennant, appear in the margins, on fly-leaves, and on pages or pieces of paper, inset or added at the beginning and end of the volume. An undated letter from Captain Macbride to Mr. [Thomas] Pennant (in third person), enclosing notes on turbot fishing, has also been inset.