Bencao gangmu
The "Guangya" (3rd century CE) defines "jiaolong" as "scaly dragon; scaled dragon", using the word "lin" "scales". The paragraph, which goes on to list other types of dragons, was quoted in the "Kangxi Dictionary" compiled during the Manchurian Qing dynasty. A similar paragraph occurs in the (6th century) and quoted in the "Bencao Gangmu" aka "Compendium of Materia Medica":