[10]. Reprinted from an article by Southard & Solomon: “Latent neurosyphilis and the Question of Paresis sine paresi.” Boston Medical and Surgical Journal, XXIV, 1.

[11]. E. E. Southard. A case of glioma of the pineal region, Am. Jour. of Ins., Vol. LXI, 1905.

[12]. Since this was written Collins has had further difficulties related to his neurosyphilis, improving under treatment.

[13]. Warthin: “Persistence of active lesions and spirochetes in the tissues of clinically inactive or ‘cured’ syphilitics,” American Journal of Medical Sciences, CLII, 1916.

[14]. “The Significance of Changes in Cellular Content of Cerebrospinal Fluid in Neurosyphilis,” Boston Medical and Surgical Journal, CLXXIII, 27.

[15]. Plaut: Ueber Halluzinosen der Syphilitiker, Berlin, 1913.

[16]. Borden S. Veeder: Hereditary Syphilis in the Light of Recent Clinical Studies; Am. Jour. of Med. Sc., CLII, 1916.

[17]. Reprinted from article by Southard and Solomon: “Latent Neurosyphilis, the Question of Paresis sine paresi,” Boston Medical and Surgical Journal, XXIV, 1.

[18]. (This case was furnished by Dr. D. A. Haller from the Peter Bent Brigham Hospital series.)

[19]. Fernald, W. E. Standardized Fields of Inquiry for Clinical Studies of Borderline Defectives. Mental Hygiene, Vol. 1, No. 2, April, 1917.