Duke S. Rogers 1981 Catalogue 28 S. 2 mi NNE (by rd.) El Machin, ca. 2600 m, Distrito Tlahuac, Oaxaca; Mexico. 4 January mvz 159724 1658 Peromyscus melanocarpus lepton + tissue ♂ 228-120-28-22 = 29 g t = 3 x 2 mm 159725 1659 Peromyscus melanocarpus lepton + tissue ♀ 268-145-29-22 = 34 g t = 5 x 2 mm 159726 1660 Peromyscus melanocarpus lepton + tissue ♀ 244-131-27-23 = 33 g multiparous 159727 1661a Peromyscus melanocarpus lepton ♂ 258-128-30-22 t = 5 x 3 mm Vista Hermosa, 1000 m, Distrito Tlahuac, Oaxaca; Mexico. 3 January (Died 5 Jan) 159497 16616 Guyanomyops caudatus + tissue, body skel. ♀ 194-114-25-15 = 17 g multiparous 3.5 mi SE (by rd.) Rayon, ca. 1000 m, Chiapas; Mexico. 1980 23 December (Died 5 January 1981) 159461 1662 Heteromys t = 9 x 6 mm (several mo old) ♂ 303-171-39-18 = 53 g + tissue Ajude Agua.), ca. 500 m, Veracruz, Mexico. 1 January (Died 5 Jan.) 159463 1663 Heteromys (several mo old) ♀ 282-160-36-17 = 48 g + tissue multiparous Vista Hermosa, 1000 m, Distrito Tlahuac, Oaxaca; Mexico. 3 January (Died 5 Jan.) (several mo old) 159498 1664 Guyanomyops caudatus + tissue ♀ 207-107-26-17 = 25 g multiparous