» 
carvings, statuettes, charms » ornaments @ée% now grace the museums 
Pee botlhn continents. Objects of metal are not uncommon and some 
elaborate ornaments in gold and gold copper alloy have been pre- 
| 
; 
served., Feather work and specimens of the graphie art are among 
the most ex : Giese achievements of th@s@ wewerieette peoples 
‘and one may turn the leaves of Lord Kingsborough's massive vol- 
umes of picture writings with ever increasing wonder. 
Casas Grances.< The ancient ruins of Northern Mexico are 
closely allied in most ee ee better known ruins of New 
Mexico and Arizona. Cliff ruins are found in the mountains and 
deserted pueblos are scattered over the valleys of Chihuahua. 
The most noted example of the latter class is known as the Casas 
Grandes located in the northwestern part of the state. The prin- 
cipal ruin consists of three or more clusters of rectangular a- 
partments connected by obscure walls and occupying an area about 
250 feet in width by SOO feet in length. The walls appear to be 
composed of cement or grout, a mixture of earth, gravel / and Cut 
straw, which was built up in sections by pouring the plastic ma- 
terial into movable boxes of the thickness of the wall, the boxes 
being moved along when the contents had properly set. The heavier 
Walls are five feet thick at the base and still stand to a height 
