 She was an accomplished natural history illustrator and had a great love and knowledge of butterflies, travelling and collecting extensively through Europe, South Africa, India, Tibet, America, Australia and the West Indies, publishing numerous papers on her work.She raised many of the butterflies from eggs or caterpillars, producing specimens of great quality, 22,000 of which are housed at the Norwich Castle Museum and known as the Fountaine-Neimy Collection.Her four sketch books of butterfly life-cycles are held at the Natural History Museum in London.