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 deg. 32', long. 102 deg. 15', elev. 2100 m. A small village about 7 kilometers northwest of San Juan de Parangaricutiro; pine forest.

Bejuco (Barranca de).--Lat. 18 deg. 07', long. 102 deg. 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 deg. 17', long. 102 deg. 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 deg. 40', long. 102 deg. 09', elev. 600 m. A ranch on the northeastern slopes of the Sierra de Coalcoman; arid tropical scrub forest.

Cachan (Rio).--Lat. 18 deg. 14', long. 103 deg. 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 deg. 47', long. 103 deg. 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 deg. 55', long. 102 deg. 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-grassland 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 deg. 43', long. 100 deg. 55', elev. 2160 m. A ranch 33 kilometers by road east of Morelia; pine forest.

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

Capirio.--Lat. 18 deg. 52', long. 102 deg. 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 deg. 52', long. 102 deg. 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-grassland immediately to the north.

Cerrito (El).--Lat. 18 deg. 45', long. 103 deg. 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 deg. 15', long. 102 deg. 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 deg. 42', long. 101 deg. 57', elev. 2350 m. A Tarascan village 27 kilometers by road south-southeast of Carapan; pine forest.

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

Chinapa.--Lat. 19 deg. 22', long. 100 deg. 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 deg. 10', long. 101 deg. 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 deg. 37', long. 101 deg. 38', elev. 210 m. A small town in the Balsas Valley; arid tropical scrub forest.

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

Coahuayana.--Lat. 18 deg. 44', long. 103 deg. 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 deg. 47', long. 103 deg. 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 mass 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 deg. 56', long. 102 deg. 17', elev. 215 m. A ranch about 17 kilometers southeast of Apatzingan; arid tropical scrub forest.

Coire.--Lat. 18 deg. 26', long. 103 deg. 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 deg. 07', long. 102 deg. 51', elev. 1530 m. A village on the southeastern shore of Lago de Chapala; mesquite-grassland.

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

Conejos (Los).--Lat. 19 deg. 22' long. 102 deg. 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 deg. 54', long. 101 deg. 12', elev. 1800 m. A village on the south edge of the Lago de Cuitzeo lakebed; mesquite-grassland.

Copuyo (Capuyo or Copullo).--Lat. 18 deg. 28', long. 100 deg. 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 deg. 52', long. 102 deg. 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 deg. 28', long. 102 deg. 19', elev. 2450