Specimens of mammals from Mexico in collections in the United States and Canada

We compiled information about Mexican mammals in collections in the United States and Canada. There are 207,067 specimens of Mexican mammals in 78 institutions in these two countries. The number per institution ranges from 1 to 44,221 and 6 collections exceed 10,000 specimens each. These six collections have representatives of nearly all the mammalian species known from Mexico and also have materials from all Mexican states. The orders Rodentia and Chiroptera have the highest numbers of specimens; the orders Perissodactyla and Sirenia have the fewest numbers of specimens. Peromyscus and Perognathus are the genera best represented. Collections in United States and Canada are important to the knowledge of Mexican mammals.