Figure 2. Left horn core of Sinocapra willdownsi (52139A). A, lateral view showing location of burr and base of pedicle (arrows) and the base of the horn sheath; anterior to left; B, medial view; anterior to right; C, anterior view. All views illustrate the straight horn core (no torsion) with only slight recurvature. Abbreviation: pf, postcornual fossa; is, internal sinus area exposed by breakage. Scale bar equals 10 mm.