Concepcion.--Lat. 16 deg. 17'; long. 95 deg. 29'; elev. 1200 m. A ranch on the slopes of Cerro Arenal, east-northeast of Tenango; dry pine-oak forest [66]. Coyol.--Exact position unknown; according to Smith and Taylor (1950: 10), Coyol is "between San Antonio and Las Cruces." Donaji.--Lat. 17 deg. 13'; long. 95 deg. 02'; elev. 90 m. A village at Km. 155 on the Trans-isthmian Highway; rainforest [29]. Escurano.--Lat. 16 deg. 25'; long. 95 deg. 27'; elev. 500 m. A ranch about 25 kilometers west-northwest of Tehuantepec; arid scrub forest [51]. Guichicovi, San Juan.--Lat. 16 deg. 58'; long. 95 deg. 06'; elev. 250 m. A village on the north slopes of the isthmus, 12 kilometers north-northwest of Matias Romero; cleared hardwood forest and coffee plantations [33]. Huilotepec.--Lat. 16 deg. 14'; long. 95 deg. 09'; elev. 30 m. A small village on the Rio Tehuantepec, 13 kilometers south-southeast of Tehuantepec; open arid scrub forest [69]. Ixtepec.--Lat. 16 deg. 34'; long. 95 deg. 06'; elev. 60 m. A town and railroad junction on the northwestern edge of the Plains of Tehuantepec; arid scrub forest [45]. Juchitan.--Lat. 16 deg. 26'; long. 95 deg. 02'; elev. 15 m. A town on the Plains of Tehuantepec, 22 kilometers by road east-northeast of Tehuantepec; arid scrub forest [50]. Limon.--Lat. 16 deg. 20'; long. 95 deg. 29'; elev. 600 m. A former agrarian colony and now a small ranch about 27 kilometers west of Tehuantepec; arid scrub forest [60]. Matias Romero.--Lat. 16 deg. 53'; long. 95 deg. 02'; elev. 200 m. A town on the Trans-isthmian Highway and railroad in the hills near the crest of the isthmus; broadleaf hardwood forest and open pine-oak forest [36]. Mixtequilla.--Lat. 16 deg. 24'; long. 95 deg. 18'; elev. 40 m. A village on the Rio Tehuantepec, northwest of Tehuantepec; dense scrub forest [57]. Modelo, El.--Lat. 17 deg. 07'; long. 94 deg. 43'; elev. 200 m. An old rubber plantation on the Rio Chalchijapa, a tributary to the Rio Coatzacoalcos; rainforest [31]. Nanches, Portillo Los.--Lat. 16 deg. 35'; long. 95 deg. 37'; elev. 500 m. A place name, about 4 kilometers southeast of Totolapilla; scrub forest [44]. Nizanda.--Lat. 16 deg. 42'; long. 95 deg. 02'; elev. 150 m. A village on the Trans-isthmian Railroad between Chivela and Ixtepec; dense scrub forest [42]. Nueva Raza.--Exact location unknown; according to Thomas MacDougall, this locality is in the lowlands of northern Oaxaca; rainforest. Palmar.--Lat. 16 deg. 43'; long. 94 deg. 40'; elev. 300 m. A small ranch on the west base of Cerro Atravesado; scrub forest [39]. Papaloapan.--Lat. 18 deg. 11'; long. 96 deg. 06'; elev. 25 m. A small village on the Rio Papaloapan in northern Oaxaca; low evergreen forest and savanna [11].