Diatoms are microscopic pi* o *' | covered by siliceous shells which float [ in fresh and salt water. They are root' ! less and leafless, and they are in shells. ■ eo that at first sight they might he thought to be tiny shell fish, but the)' contain chlorophyll, the green pigment of plants, which prove? that they are I vegetable in nature. They occur U» B tremendous numbers. The ocean flow / in many places is plastered deep witn their shells In a suigle quart of sea water there may be 7.000,000 diatoms. When the shells'aro crushed they nuU j good metal-polishes aud".too*fa*owkß. i
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/AS19310323.2.95.2
Bibliographic details
Auckland Star, Volume LXII, Issue 69, 23 March 1931, Page 8
Word Count
100Page 8 Advertisements Column 2 Auckland Star, Volume LXII, Issue 69, 23 March 1931, Page 8
Using This Item
Stuff Ltd is the copyright owner for the Auckland Star. You can reproduce in-copyright material from this newspaper for non-commercial use under a Creative Commons BY-NC-SA 3.0 New Zealand licence. This newspaper is not available for commercial use without the consent of Stuff Ltd. For advice on reproduction of out-of-copyright material from this newspaper, please refer to the Copyright guide.
Acknowledgements
This newspaper was digitised in partnership with Auckland Libraries.
Log in