Identifier: proceedingsofuni1101960unit (find matches)
Title: Proceedings of the United States National Museum
Year: 1878 (1870s)
Authors: United States National Museum Smithsonian Institution United States. Dept. of the Interior
Subjects: Science
Publisher: Washington : Smithsonian Institution Press, (etc.)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
Orinoco basin of Colombia and Venezuela, and the Amazonian region.So far as known, only the larger species, Oryzomys concolor, occurs inCosta Rica, northern Colombia, northwestern Venezuela, and Trini-dad. The smaller 0. bicolor occurs alone in western Ecuador. Taxonomic Histort The first name proposed for an arboreal rice rat is Mus cinnamo-meus Pictet and Pictet, 1844. It is based on an eastern Brazilianrepresentative of the larger species of subgenus Oecomys. Unfortu-nately, it is invalid because the name Mus cinnamomeus had alreadybeen used by Lichtenstein in 1830 for a species of spiny rats of themodern genus Proechimys. The next name for an Oecomys is Hesper-omys concolor Wagner, 1845. It was given to the large form discoveredby Johann Natterer in the forests of the upper Rio Negro, northwesternBrazil. While the name concolor was virtually ignored by recentauthors, the animal it represents has since been redescribed under27 different names. 516 PROCEEDINGS OF THE NATIONAL MUSEUM
Text Appearing After Image:
tL, ARBOREAL RICE RATS—HERSHKOVITZ 517

Note About Images