Page [411]: Retained measurement (17-8) grams; possibly typo for (17-18) or (17-17.8).
(Orig.: three males 17.5 (17-8) grams.)
Page [426]: Changed Washinton to Washington.
(Orig.: personatus tropicalis Goldman, Proc. Biol. Soc. Washinton,)
Page [435]: Changed perargrus to peragrus.
(Orig.: 1918. Oryzomys couesi perargrus, Goldman,)
Page [439]: Changed descripton to description.
(Orig.: According to the original descripton by Davis)
Page [454]: Changed Gaudalupe to Guadalupe.
(Orig.: type from Sierra Gaudalupe, southeastern Coahuila.)
Page [454]: Changed N. l. microdon to C. l. microdon.
(Orig.: N. l. microdon occurs from Camargo south to Nicolás.)
Page [456]: Changed Gaudalupe to Guadalupe.
(Orig.: type from Sierra Gaudalupe, Coahuila.)
Page [457]: Changed to to two.
(Orig.: 1962:338, recorded only to species)
Page [459]: Changed synonmy to synonymy.
(Orig.: cited by Coues in synonmy as "Putorius mexicanus)
Page [460]: Changed three occurences of Shantz to Schantz.
(Orig.: by Shantz. One of them T. t. littoralis (Shantz, 1949:301)) and
(measurements are greater than those given by Shantz (1949:302))