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Registration of Cultivar Names in Ulmus
Studies in the Herbarium and the Field, II.
The taxonomy, host range and geographic distribution of the genus Pythium
Our State Flowers : The Floral Emblems Chosen by the Commonwealths
A Contribution to the Natural Classification of Lower and Middle Cambrian Arthropods: Food Gathering and Feeding Mechanism
Memoir Of Linnæus
Revision of the North American genera and species of the Phalaenid subfamily Plusiinae (Lepidoptera)
A Sourcebook of Cultivar Names, Literature Cited
René Maugé’s ornithological collections from Kupang Bay, West-Timor, Indonesia, August-November 1801, with special regard to type-specimens
The fixation of nitrogen in Colorado soils : a study of the Wellington district, Larimer County, Colorado