List of North American recent mammals

The object of the present list is to summarize the results of taxonomic studies of North American recent mammals up to January 1, 1953, and to indicate the forms represented in the United States National Museum. North America as here understood includes the entire continent from Panama northward, Greenland, the Greater Antilles, and the Lesser Antilles south to Grenada. At least 263,214 specimens, including 1871 types, comprise the collection of North American Recent Mammals in the United States National Museum.