by Allan Cameron Fraser, Arthur Bishop Beaumont, Benjamin Dunbar Wilson, Daniel Scott Fox, Eugene Peyton Deatrick, Howard Bowman Ellenberger, Ira Myron Hawley, Otis Freeman Curtis, Rollins Adams Emerson, Wallace Larkin Chandler
With Special Reference to the Hop Grub and the Hop Redbug
by Allan Cameron Fraser, Arthur Bishop Beaumont, Benjamin Dunbar Wilson, Daniel Scott Fox, Eugene Peyton Deatrick, Howard Bowman Ellenberger, Ira Myron Hawley, Otis Freeman Curtis, Rollins Adams Emerson, Wallace Larkin Chandler
No description available