Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 1-28

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 35-40

Published in Bull. Ent. Res, in 1921, in volume 12, pages 41-62

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 67-68

Published in Bulletin of Entomological Research London, in 1921, in volume 12, pages 69-80

Published in Bull. ent. Res, in 1921, in volume 12, pages 107-124

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 125-128

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 129-132

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 135-163

Published in Bulletin of Entomological Research London, in 1921, in volume 12, pages 165-180

Published in Bulletin of Entomological Research, in 1921, in volume 12, pages 211-220

Published in Bull. ent. Res, in 1921, in volume 12, pages 263-351