Various articles in the Lancet 1. Note on the diagnostic and prognostic value of the leucocyte variations in Asiatic cholera by Leonard Rogers. 2. Environment as a cause of Ague by Mathew D O'Connell. 3. Results in Havana during the year 1901 of disinfection for yellow fever, under the hypothesis that the stegomyia mosquito is the only means of transmitting the disease by W G Gorgas. 6/9/1902