Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities /

v.13:pt.2:no.1(1918)

The mutation theory; experiments and observations on the origin of species in the vegetable kingdom, by Hugo de Vries ... tr. by Prof. J. B. Farmer and A. D. Darbishire ...

2

New species of Xanthium and Solidago. By Charles Frederick Millspaugh and Earl E. Sherff.

v.4:no.1(1918)