s 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-