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.
34/356 page 28
![VIG. 1. B. Ure^.—Surface colony on a gelatine-plate x 100; seventy-two hours growth at 22° C. 2. B. Aquatilis Sulcatus.—Surface colony in a gelatine- plate X 100 ; forty-eight houi-s growth at 22° C. 3. B. Albus or B. Ubiqitus.—Surface colony on a gelatine- plate X 100 ; forty-eight hours growth at 22° C. 4. B. Mesentericus Ruber.—An early stage of a c-olony in a gelatine-plate x 100. 5. M. Flavus Liquefaciens.—Colony in a gelatine-])late X 100 ; forty-eight hours growth at 22° C. 6. B. Cyanogenus.—Surface colony in a gelatine-))late X 100; forty-eight hours growth at 22° C. The gelatine surrounding the colony has a deej) blue colour. 7. B. Denitrificans.—Surface colony on a gelatine-jdate X 100; seventy-two hours growth at 22° C. 8. Sp. Choler.® AsiaticvE.—-Surface colony in a gelatine- plate X 100; seventy-two hours growth at 22° C. Liquefaction well advanced.](https://iiif.wellcomecollection.org/image/b28116525_0034.jp2/full/800%2C/0/default.jpg)
