Fig. 3. 1, Soft palate (velum pendulum palati); 2, uvula; 3, tongue; 4, hyoid bone; 5, thyroid cartilage; 6, epiglottis; 7, glottis; 8, trachea; 9, cricoid cartilage; 10, pharynx; 11, superior opening of larynx; 12, œsophagus; 13, orifice of Eustachian tube.

Plate III.

Fig. 4. Position for a. Fig. 5. Position for e (in hay). Fig. 6. Position for i (in he). Fig. 7. Position for u. Fig. 8. Position for k, g, ng. Fig. 9. Position for m.

Plate IV.

Fig. 10. Position for r. Fig. 11. Position for t, d, n. Fig. 12. Position for y. Fig. 13. Position for s, z. Fig. 14. Position for th. Fig. 15. Position for f, v. Fig. 16. Position for p.

Plate V.

Diagram Showing the Range of the Human Voice.
(From McKendrick’s “Outlines of Physiology,” p. 642.)