University of Toronto Studies in Geology

Insects and arachnids from Canadian amber - 1937

Order Homoptera, Family Aphididae, in Insects and arachnids from Canadian amber - 1937

Arachnida, Order Acarina, in Insects and arachnids from Canadian amber - 1937

Order Collembola, in Insects and arachnids from Canadian amber - 1937

Family Cynipidae, in Insects and arachnids from Canadian amber - 1937

Order Diptera, Family Chironomidae, in Insects and arachnids from Canadian amber - 1937

Superfamilies Ichneumonoidea, Serphoidea, and Chalcidoidea, in Insects and arachnids from Canadian amber - 1937