San Antonio.—Lat. 16° 15'; long. 95° 22'; elev. 40 m. A ranch about 25 kilometers west-southwest of Tehuantepec; arid scrub forest [68].
San Pablo.—Lat. 16° 24'; long. 95° 18'; elev. 40 m. A ranch on the Río Tehuantepec, northwest of Tehuantepec; dense scrub forest [56]. Cerro San Pablo probably is the hill north of this ranch; this is shown on some maps as Cerro de los Amates.
San Pedro, Cerro de.—Lat. 16° 18'; long. 95° 28'; elev. about 1100 m. (crest). A ridge about 24 kilometers west of Tehuantepec and east of Cerro Arenal; scrub forest on slopes and pine-oak forest on top [65].
Santa Efigenia.—Lat. 16° 25'; long. 94° 13'; elev. 500 m. A ranch on the southern slopes of the Sierra Madre de Chiapas, 8 kilometers north-northwest of Tapanatepec; scrub forest. Former home of Francis Sumichrast [53].
Santa Lucía.—Lat. 16° 18'; long. 95° 28'; elev. 800 m. A place name for a former ranch on the east slopes of Cerro Arenal; scrub forest [63].
Santa María Chimalapa.—Lat. 16° 55'; long. 94° 42'; elev. 296 m. A village on the Río de los Milagros, a tributary to the Río Coatzacoalcos; rainforest [35].
Santiago Chivela.—Lat. 16° 42'; long. 94° 53'; elev. 200 m. A village on the Trans-isthmian Highway, 13.4 kilometers by road south of Matías Romero; dry, grassy plains and scattered clumps of scrubby trees and palms [41]. Collections were made in the vicinity of the village and at a rocky stream, 11 kilometers south on the Trans-isthmian Highway at an elevation of 230 m.
Santo Domingo (Petapa).—Lat. 16° 50'; long. 95° 08'; elev. 225 m. A village about 13 kilometers west-southwest of Matías Romero; semi-arid scrub forest [37].
Sarabia.—Lat. 17° 04'; long. 95° 02'; elev. 100 m. A village 25 kilometers north of Matías Romero on the Trans-isthmian Highway; rainforest [32]. Collections were made in the vicinity of the village and in the rainforest along the Río Sarabia, 5 kilometers north of the village at an elevation of 80 meters.