New DimorphomyceteaePublished in Proceedings of the American Academy of Arts and Sciences, in 1920, in volume 55, pages 209-282A monograph of the American frogs of the genus RanaPublished in Proceedings of the American Academy of Arts and Sciences, in 1920, in volume 55, pages 413-480
A monograph of the American frogs of the genus RanaPublished in Proceedings of the American Academy of Arts and Sciences, in 1920, in volume 55, pages 413-480