1872.] The Phystological Position of Tobacco. 479 
portraits, and other designs. These collections of water- 
marked papers are exhibited as_ transparencies, being 
arranged in glass frames in front of windows, in Room 23, 
in the south galleries of the Exhibition building. 
Vil. CHE PHYSIOLOGICAL: POSITION OF 
TOBACCO. 
By WILLIAM E. A. Axon, M.R.S.L., F.S.S. 
Recherches Phystologiques et Cliniques sur la Nicotine et le 
Mavac, “Parte DocteursA.(BVATIN. Paris, 1870. Svo: 
Ueber Tabak tn toxthologischer Beziehung, mit besonderer Be- 
riicksichtigung der 1m Tabaksrauch enthaltenen chemuschen 
Verbindungen. Vom Dr. HEeRM. VonL und Dr. HERM. 
EuULENBERG (Vierteljahrschrift f. ger. Med., N.F., xiv., 2). 
Svo. 
Académie de Medicine L’ Absinthe et le Tabac. Par M. Jouty. 
Panis, 1675. Sv: 
Tabak ist Gift! Physischer und psychischer Einfluss dés 
Tabaks auf den menschlichen Organismus. Von B. 
LUNDAHL. Berlin. 8vo. 
Du Tabac. Son influence sur la Santé et sur les facultés 
intellectuales et morales. Hygiene des Fumeurs par 
le Doéteur DRUHEN ainé. Deuxieme Edition. Be- 
sancgon, 1867. 8vo. 
Die Rauchhexe. Von J. V. STREBEL. Zweite Auflage. 
Stuttgart, 1869. 8vo. 
nS Tobacco good for the health of man? Does it add to 
é his strength, make him readier for work, more capable 
of endurance, add to his length of life and happiness ? 
The question may for all praétical purposes be confined 
to humanity, for, with one or two exceptions, the brutes 
avoid the tobacco-plant, and we are not aware that any of 
them are in the habit of burning its leaves and inhaling the 
fumes in the manner adopted by man. We may conclude, 
then, that if tobacco has any uses, to man is due the credit 
of having discovered them. 
In speaking of the physiological position of tobacco, we 
have to deal with the action of the essential principles of 
that plant upon the human system. The peculiar effects of 
tobacco are due to the action of the essential oil of tobacco 
