The Sicilian apothecaries'ounce was divided in 10 drachms.
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Map showing examples of the weight of 1 apothecaries'ounce in grammes around 1800, before metrication and the Prussian weight reform.
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A volume of liquid that was approximately that of an apothecaries'ounce of water was called a fluid ounce, and was divided into fluid drachms and sometimes also fluid scruples.
From the en.wikipedia.org
The subdivisions of the apothecaries'ounce were the same as in the other Romance countries, however, and were different from the subdivisions of the otherwise identical civil ounce.