A new species of Coptodisca (Lepid.)

Published in 1921 in Canadian Entomologist, volume 53, on pages 44-44
Authors:

Synopses of some North American Anthomyiidae (Diptera)

Published in 1921 in Can. Ent, volume 53, on pages 76-79
Authors: J R Malloch

On some arachnids from southern Utah

Published in 1921 in Canad. Ent, volume 53, on pages 245-247