On sewage treatment and disposal : for cities, towns, villages, private dwellings, and public institutions / by Thomas Wardle.

Date:
[1893]
Catalogue details

Licence: Public Domain Mark

Credit: On sewage treatment and disposal : for cities, towns, villages, private dwellings, and public institutions / by Thomas Wardle. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    Fig. 15. Leuconostoo mesenteroides. 1. Spores. 2 Spores after germination, showing gelatinous envelope. 3, 4, 5, 6. Increase by division. 7. Glomerular form of zoogloea. 8. Section of an old mass of zooglcea. 9. Cocci chains with arthrospores [after Tieghem and Cienkowski]. Via. 16. Bacillus Subtilis (after rrazmowski)xl020. A. Colonies of Bacillus subtiUis. B. Spore formation : (a) in a psoudo-throacl; (6) in individual rods; (c) germination of the spores ; (a—h) succossivo stazos.