Published in Bulletin of Entomological Research, in 1919, in volume 9, pages 177-182

Published in Bulletin of Entomological Research London, in 1919, in volume 9, pages 197-240

Published in Bulletin of Entomological Research London, in 1919, in volume 9, pages 333-340

Published in Bulletin of Entomological Research, in 1919, in volume 10, pages 1-5