Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 211-271

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 199-210

Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 95-128

Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 327-328

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 43-45

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 133-138

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 211-246

Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 273-276

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 271-278

Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 139-144

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 153-157

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 139-152

Published in Bulletin of Entomological Research London, in 1920, in volume 10, pages 129-137

Published in Bulletin of Entomological Research London, in 1920, in volume 11, pages 65-72

Published in Bull. ent. Res., in 1920, in volume 11, pages 305-311

Published in Bulletin of Entomological Research, in 1920, in volume 11, pages 1-41

Published in Bulletin of Entomological Research, in 1920, in volume 11, issue 1, pages 77-92