Princesa, La.--Lat. 16 deg. 56'; long. 95 deg. 02'; elev. 150 m. A ranch on the northern slopes of the isthmus, 6 kilometers by road north of Matias Romero; poorly developed rainforest [34]. Quiengola, Cerro de.--Lat. 16 deg. 24'; long. 95 deg. 22'; elev. 900 m. (crest). A hill 15 kilometers west-northwest of Tehuantepec; dense scrub forest on slopes and scattered pines on top [55]. Salazar.--Lat. 16 deg. 25'; long. 95 deg. 20'; elev. 45 m. A ranch on the Rio Tehuantepec, northwest of Tehuantepec; dense scrub forest [52]. Salina Cruz.--Lat. 16 deg. 10'; long. 95 deg. 12'; sea level. A port on the Golfo de Tehuantepec; open arid scrub forest [70]. Collections were made in the vicinity of the town and in the open scrub forest 2.4 kilometers north at an elevation of 20 meters. San Antonio.--Lat. 16 deg. 15'; long. 95 deg. 22'; elev. 40 m. A ranch about 25 kilometers west-southwest of Tehuantepec; arid scrub forest [68]. San Pablo.--Lat. 16 deg. 24'; long. 95 deg. 18'; elev. 40 m. A ranch on the Rio 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 deg. 18'; long. 95 deg. 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 deg. 25'; long. 94 deg. 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 Lucia.--Lat. 16 deg. 18'; long. 95 deg. 28'; elev. 800 m. A place name for a former ranch on the east slopes of Cerro Arenal; scrub forest [63]. Santa Maria Chimalapa.--Lat. 16 deg. 55'; long. 94 deg. 42'; elev. 296 m. A village on the Rio de los Milagros, a tributary to the Rio Coatzacoalcos; rainforest [35]. Santiago Chivela.--Lat. 16 deg. 42'; long. 94 deg. 53'; elev. 200 m. A village on the Trans-isthmian Highway, 13.4 kilometers by road south of Matias 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 deg. 50'; long. 95 deg. 08'; elev. 225 m. A village about 13 kilometers west-southwest of Matias Romero; semi-arid scrub forest [37].