Published online by Cambridge University Press: 15 May 2009
1. 52·6% of marmots placed in contact with marmots infected with plague by inhalation developed pulmonary plague and died within 4–6 days.
2. Marmots suffering from pneumonic plague are infective at an early stage of the disease and the animals which such marmots infect acquire plague after a short incubative period.
3. Pulmonary plague can be readily transmitted to the small marmot (Spermophilus citellus Linn.), and these animals, when suffering from pulmonary plague, are in turn capable of transmitting the same type of plague through the respiratory passages.
4. Septicaemic plague can be developed in marmots very easily as a result of respiratory infection and also by direct subcutaneous inoculation with small amounts of culture.
5. The marmot can acquire plague by way of the alimentary tract and spread the disease by feeding on plague-infected carcases. The histological appearances observed in the lesions of these cases are characteristic.
page 1 note 2 Lien-Teh, Wu (1913) Journ. of Hygiene, XIII. 237.CrossRefGoogle Scholar
page 1 note 3 Strong, (1912) Philippine Journ. Sci., VII.Google Scholar
page 8 note 1 Albrecht, and Gohn, , Centralbl. f. Bakteriol. 1899, XXVI. 362.Google Scholar
page 8 note 2 Childe, , Brit. Med. Journ. 1897, I. 1215Google Scholar; 1898, II. 858, and Report of Indian Plague Comm. London, 1900.Google Scholar
page 8 note 3 Strong, , Rep. Intern. Plague Conference,Mukden,1912.Google Scholar
page 8 note 4 Fujinami, Ibid.
page 8 note 5 Wu-Lien-Teh, and Woodhead, (1913), Journ. of Pathology and Bacteriol. 1913.Google Scholar