[1][2] They were most notable for their magnificent drawings of moths and butterflies for the publication of the first volume of their father Alexander Walker Scott’s work Australian Lepidoptera and Their Transformations.

[4] Through their education they acquired extensive knowledge of the natural world, including Australian plants, animals and insects.

After the publication of Australian Lepidoptera and their transformations, drawn from the life by Harriet and Helena Scott she was elected an honorary member of the Entomological Society of NSW.

Harriet drew botanical illustrations for the 1879, 1884 and 1886 editions of the Railway Guide to New South Wales, and with her sister produced designs for Australia’s first Christmas cards in 1879.

Apart from gaining honorary membership of the Entomological Society of NSW Harriet received copious requests for commissions.