METHODS OF OBTAINING PURE CULTURES 363 



and if it is desired to preserve or to publish a description of the new species or 

 type, it is essential to nmke a full and careful record of all its characters and re- 

 actions, so that they will be available for comparison with organisms isolated at a 

 future date, or with organisms isolated by other observers. Such a record should 

 always contain careful comparisons with those species or types which most nearly 

 resemble the newly isolated organism. 



REFERENCES 



Barber, M. A. (1908) J. infect. Dis., 5, 379. 



Carnot, p. and Garnier, M. (1902) C. R. Soc. Biol., 54, 748. 



Craigie, J. (1931) J. Immunol, 21, 417. 



Fleming, A. (1932) J. Path. Bad., 35, 831. 



Henrici, a. T. (1926) J. infect. Dis., 38, 54. 



Koch, R. (1880) " Investigations into the Etiology of the Traumatic Infective Diseases. 



New Sydenham Soc, Lond. ; (1881) Mitt. ReichsgesvndhAmt., 1, 1. 

 Lister, J. (1878) Quart. J. micr. Sci., 18, 177. 

 RoviDA, G. (1925) Sperimentale, 79, 1053. 



ToPLEY, W. W. C., Barnard, J. E., and Wilson, G. S. (1921) J. Hyg., Camb., 20, 221. 

 TuLLOCH, W. J. (1939) J. Hyg., Camb., 39, 324. 

 Wilson, G. S. (1926) J. Hyg., Camb., 25, 150. 



