An introduction to the bacteriological examination of water / by W.H. Horrocks.
- Horrocks, W. H. (William Heaton), Sir, 1859-
- Date:
- 1901
Licence: In copyright
Credit: An introduction to the bacteriological examination of water / by W.H. Horrocks. Source: Wellcome Collection.
26/356 page 20
![FIG. 1. B. SuBTiLis.—Surface colony in a gelatine-plate x 100 ; forty-eight hours growth at 22° C. 2. B. Megaterium.—Surface colony in a gelatine-plate X 100; forty-eight hours growth at 22° C. 3. B, Mycoides.—Surface colony in a gelatine-plate x 100; forty-eight hours growth at 22° (\ 4. B. Megaterium.—Surface colony in a gelatine-plate X 100; seventy-two hours growth at 22° C. A later stage than fig. 2. o. B. Aureus.—Surface colony in a gelatine-]>late x 100; seventy-two hours growth at 22° ('. I'he colony has a golden-yellow colour. O'. B. OciiRACEUs.—Surface colony in a gelatine plate x 100; thirty-six hours growth at 22° Licpiefaction is just commencing. 7. B. Liquekactens.—A young colony in a gelatine-jilate X 100. Liquefaction has not commenced. fi. B. Fuscus.—Surface colony in a gelatine-plate x 100. The colony has a dark brown colour in the centre and a thin filmy margin.](https://iiif.wellcomecollection.org/image/b28116525_0026.jp2/full/800%2C/0/default.jpg)
