Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 66, pages 231-247

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 66, pages 247-333

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 66, pages 334-346

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 66, pages 347-353

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 50-75

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 76-88

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 89-92

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 93-118

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 119-217

Published in Transactions of The Royal Entomological Society of London, in 1919, in volume 67, pages 218-319