IngersollJ. M.: The Function of the Accessory Cavities of the Nose. Ann. Otol., Rhin. & Laryng., p. 757, 1906.
3.
Hartz: Physiology of Nose and Sinuses. Laryngoscope, p. 958, 1909.
4.
Preyer (1884): Cit. ref. 8.
5.
IngersollJ. M.: Some points in the comparative anatomy of the nose and accessory sinuses which account for the variations in these structures in man. Trans. of the Laryng., Rhinol. and Otol. Soc., 1922.
6.
Braune & Clasen: Die Nebenhöhlen der Menschlichen Nase in ihre Bedeutung fur den Mechanismus des Riechens. Zeit. f. Anat., Vol. 2, p. 1, 1877.
7.
Froriep: Cit. Schaeffer, Nose and Paranasal Sinuses, p. 46.
8.
SkillernR. H.: Catarrhal and Suppurative Diseases of the Accessory Sinuses of the Nose. Phila., 1916.
9.
Coffin: Development of Acc. Sin. of Nose. Am. Jr. of Med. Sciences, Feb., 1905.
10.
Frers: Studien uber die postembryonale Entwickelung der Nebenhőhlen der Nase. Vehr. d. Vereins deutscher Laryng., p. 191. 1909.
11.
SchaefferJ. P.: The Nose, Paranasal Sinuses, Nasolachrymal Passageways and Olfactory Organ in Man. Phila., 1920, p. 45.
12.
Ibid., p. 46.
13.
Ibid., p. 104.
14.
Ibid., p. 177.
15.
Ibid., p. 207.
16.
Ibid., p. 175.
17.
Wittmaack: Uber die Normale und Pathologische Pneumatisation des Schlaefenbeines. Jena.
18.
LoebH. W.: The Cubical Capacity and Superficial Area of the Sphenoid, Maxillary and Frontal Sinuses. Ann. Otol., Rhinol. and Laryngol., Dec., 1912.