Some new African Sphingidae

Published in 1920 in Novitates Zoologicae Tring, volume 27, on pages 167-170
Authors:

Some African Anthribidae

Published in 1920 in Novitates Zoologicae Tring, volume 27, on pages 260-264
Authors:

New Geometridae

Published in 1920 in Novitates Zoologicae, volume 27, on pages 265-312
Authors: L B Prout

On Some African Sphingidae

Published in 1920 in Novitates Zoologicae Tring, volume 27, on pages 510-512
Authors: