Books by George Duryea Hulst
A new genus and species of Phy
A new genus and species of Phycitinae
Classification of the Geometrina of North America
The Phycitidae of North Americ
The Phycitidae of North America
The Epipaschiinae of North America
Insect pests and the means for
Insect pests and the means for destroying them
Insects injurious to the cabba
Insects injurious to the cabbage and the best means of preventing their ravages