Barolosa (Cerro de).--Lat. 18 52', long. 102 57', elev.

2900-3050 m. Presumably the highest mountain in the Sierra de Coalcoman and located about 13 hours by mule east-northeast of Coalcoman; open pine-oak-fir forest and alder thickets.

Barolosa (Rancho).--Lat. 18 50', long. 103 00', elev. 2320 m. A small ranch on the west-northwestern slope of Cerro de Barolosa, about 11 hours by mule east-northeast of Coalcoman; open pine-oak forest.

Barranca Seca.--Lat. 19 32', long. 102 15', elev. 2100 m.

A small village about 7 kilometers northwest of San Juan de Parangaricutiro; pine forest.

Bejuco (Barranca de).--Lat. 18 07', long. 102 48', elev.

90 m. A barranca in the lower slopes of the Sierra de Coalcoman just west of the lower reaches of the Rio Nexpa; tropical semi-deciduous forest.

Buenavista (Tomatlan).--Lat. 19 17', long. 102 36', elev.

425 m. A village on the Rio Masiaco in the Tepalcatepec Valley, 33 kilometers by road west-northwest of Apatzingan; open arid tropical scrub forest.

Buena Vista.--Lat. 18 40', long. 102 09', elev. 600 m. A ranch on the northeastern slopes of the Sierra de Coalcoman; arid tropical scrub forest.

Cachan (Rio).--Lat. 18 14', long. 103 14'. A river formed by the affluence of the Rio Coalcoman and the Rio San Jose and flowing into the Pacific Ocean at a point indicated by the co-ordinates given above. Sometimes the name is applied to the lower part of the river as used here; other times the name is used for the entire length of the Rio Coalcoman.

Camichines.--Lat. 18 47', long. 103 05', elev. 1070 m. A ranch about 5 kilometers east-northeast of Coalcoman; transition between arid tropical scrub forest and oak forest.

Camecuaro (Lago de).--Lat. 19 55', long. 102 13', elev.

1615 m. A small lake (depth to about 10 m.) drained by the Rio Duero and located one kilometer north-northwest of Tangancicuaro; mesquite-gra.s.sland and some cypress and oak around the lake.

Cancita (Rio).--A tributary of the Rio Tepalcatepec flowing southward from the southeastern slope of Cerro de Tancitaro.

Cantiles (Los).--Lat. 19 43', long. 100 55', elev. 2160 m.

A ranch 33 kilometers by road east of Morelia; pine forest.

Capacuaro.--Lat. 19 33', long. 102 02', elev. 2070 m. A Tarascan village 18 kilometers by road north of Uruapan; pine forest.

Capirio.--Lat. 18 52', long. 102 08', elev. 180 m. A village on the Rio Tepalcatepec, 22 kilometers by road south of Nueva Italia; open arid tropical scrub forest and some gallery forest along the river.

Carapan.--Lat. 19 52', long. 102 02', elev. 2070 m. A village on the northern edge of the Sierra de los Tarascos, 32 kilometers by road west of Zacapu; pine-oak forest at village and to the south; mesquite-gra.s.sland immediately to the north.

Cerrito (El).--Lat. 18 45', long. 103 40', elev. 15 m. A ranch about 3 kilometers northeast of Coahuayana; tropical semi-deciduous forest.

Chapala (Lago de).--A large lake on the Mexican Plateau at an elevation of 1525 m., partly in the state of Jalisco. It is drained by the Rio Grande de Santiago, which flows northward and then westward into the Pacific Ocean.

Immediately to the east of the lake are remnants of once extensive marshes.

Charapendo.--Lat. 19 15', long. 102 04', elev. 975 m. A village 24 kilometers by road south of Uruapan near the upper limit of the arid tropical scrub forest in the Tepalcatepec Valley.

Cheran.--Lat. 19 42', long. 101 57', elev. 2350 m. A Tarascan village 27 kilometers by road south-southeast of Carapan; pine forest.

Chichihuas.--Lat. 18 47', long. 103 12', elev. 1200 m. A ranch about 6 kilometers west-southwest of Coalcoman; scrub oak forest.

Chinapa.--Lat. 19 22', long. 100 51', elev. 930 m. A small village on the Rio Chinapa, 43 kilometers south of El Temzcal on the road to Huetamo; arid tropical scrub forest.

Chupio.--Lat. 19 10', long. 101 27', elev. 1080 m. A village 12 kilometers by road south of Tacambaro; transition between arid tropical scrub forest and oak forest.

Churumuco.--Lat. 18 37', long. 101 38', elev. 210 m. A small town in the Balsas Valley; arid tropical scrub forest.

Cienega (La).--Lat. 18 28', long. 103 18', elev. 900 m. A ranch about 3 hours by mule north of Coire; tropical semi-deciduous forest.

Coahuayana.--Lat. 18 44', long. 103 31', elev. 15 m. A village on the coastal plain near the mouth of the Rio Coahuayana; arid tropical scrub forest and tropical semi-deciduous forest.

Coalcoman.--Lat. 18 47', long. 103 08', elev. 945 m. The largest town in the Sierra de Coalcoman and situated in a valley about 12 by 6 kilometers; arid tropical scrub forest on valley floor; oaks and some tropical semi-deciduous forest on surrounding slopes.

Coalcoman (Rio).--A river having its headwaters northeast of the town of Coalcoman and flowing southward to join with the Rio San Jose to form the Rio Cachan.

Coalcoman (Sierra de).--A highland ma.s.s outlined by the Rio Coahuayana and its tributaries on the west, the Rio Tepalcatepec on the north, and the Rio Balsas on the east, and the Pacific Ocean on the south. The axis of the sierra extends for about 200 kilometers in a west-northwest to east-southeast direction; the mountains are nearly 80 kilometers in breadth; the highest parts of the range are about 3000 meters above sea level.

Cofradia.--Lat. 18 56', long. 102 17', elev. 215 m. A ranch about 17 kilometers southeast of Apatzingan; arid tropical scrub forest.

Coire.--Lat. 18 26', long. 103 22', elev. 300 m. A village on the seaward foothills of the Sierra de Coalcoman on the Rio Coire; tropical semi-deciduous forest.

Cojumatlan.--Lat. 20 07', long. 102 51', elev. 1530 m. A village on the southeastern sh.o.r.e of Lago de Chapala; mesquite-gra.s.sland.

Colola (Rio).--A small river emptying into the Pacific Ocean between Maruata and Punto San Telmo.

Conejos (Los).--Lat. 19 22' long. 102 07', elev. 1850 m. A village 6 kilometers west-southwest of Uruapan, and sometimes known as Nuevo San Juan; pine-oak forest.

Copandaro.--Lat. 19 54', long. 101 12', elev. 1800 m. A village on the south edge of the Lago de Cuitzeo lakebed; mesquite-gra.s.sland.

Copuyo (Capuyo or Copullo).--Lat. 18 28', long. 100 56', elev. 1200 m. A small village about 5 kilometers by road west of Paso Ancho; transition between arid tropical scrub forest and oak forest.

Cordillera Volcanica.--A mountain range along the southern edge of the Mexican Plateau, roughly along the nineteenth parallel, and made up of many volcanos; the range extends from Volcan de Colima on the west to Cofre de Perote and Orizaba in Veracruz; several of the volcanos reach elevations of more than 4000 meters.

Corralito (El).--Lat. 18 52', long. 102 38', elev. 270 m.

A small village in the Tepalcatepec Valley, about 30 kilometers southwest of Apatzingan; arid tropical scrub forest.

Corupu (Corupo).--Lat. 19 28', long. 102 19', elev. 2450 m. A village 29 kilometers northwest of Uruapan; pine forest.

Cuatro Caminos.--Lat. 19 00', long. 102 05' elev. 335 m. A village 4 kilometers south of Nueva Italia; arid tropical scrub forest.

Cuilala (Playa).--Lat. 18 10', long. 103 06', sea level. A sandy beach on the Pacific Ocean just east of La Higuerita.

Cuitzeo.--Lat. 19 58', long. 101 09', 1800 m. A village on the north sh.o.r.e of the Lago de Cuitzeo lakebed; mesquite-gra.s.sland.

Cuitzeo (Lago de).--A large lakebed on the Mexican Plateau at an elevation of 1800 m. In dry years there is little water in the lake, and most of the lakebed is dry; in very wet years the entire lakebed is flooded. The Rio de Morelia flows into the lake, which has no outlet; surrounding vegetation is mesquite-gra.s.sland.

Cuseno Station.--Lat. 19 30', long. 102 16', elev. 2200 m.

A field station of the American Geological Society established in 1945 and demolished in 1953; located at the northern edge of the lava flow at Volcan Paricutin; remnants of pine forest.

Diezmo (El).--Lat. 18 26', long. 103 19', elev. 850 m. A ranch about 8 kilometers north of Coire; tropical semi-deciduous forest.

Dos Aguas.--Lat. 18 45', long. 102 55', elev. 2100 m. A lumber camp on the eastern slope of Cerro de Barolosa, located about 22 kilometers west-northwest of Aguililla; pine-oak forest and some fir forest in sheltered ravines.

Duero (Rio).--A small river having its headwaters near Tangancicuaro and flowing northwestward into the Rio Lerma; source of irrigation water for surrounding agricultural area.