 This book became the standard work on Australasian entomology for some fifty years.He published widely and authoritatively on Odonata, Plecoptera, Neuroptera, and other orders, and on fossil insects, the wing venation of insects, and the phylogeny of insects.In this year he was awarded the Trueman Wood medal of the Royal Society of Arts and Science, London, and was appointed assistant-director of the Cawthron Institute.