 He was seriously injured in a railway accident in 1914 and had a slow recovery, but in 1915 became Linnean Macleay Fellow in Zoology at the University of Sydney.He was appointed lecturer in Zoology in 1917.In the same year he published in the Cambridge Zoological series, "The Biology of Dragonflies", and he also received the Crisp prize and medal of the Linnean Society of London.