By Everard L. Napier, M.R.C.S., L.R.C.P. (Lond.). In charge Kala-azar research, Calcutta School of Tropical Medicine. Second edition. 185 pages of text with 15 charts in the text, 18 plates, and an appendix of references to literature, author index and subject index. Oxford University Press. London, Bombay, Calcutta, Madras, 1927
The foregoing experiment with cultures of Leptospira icteroides furnishes conclusive confirmatory evidence of the filterability of the organism. Whether it passes through the filter in its spiral form, assisted by its active motility, or in a granular phase, further experimental evidence may determine.