88 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 146 
Evans, Clifford, and Meggers, Betty J. 
1960. A new dating method using obsidian : Table and Pt. II, An evaluation 
of the method. Amer. Antiquity, vol. 25, pp. 494-537. 
Mayer-Oakes, William J., and Bell, Robert E. 
1960. Early man site found in highland Ecuador. Science, vol. 13, No. 3416, 
pp. 1805-1806. 
Meggers, Betty J., and Evans, Clifford. 
1962. The Machalilla Culture : An early formative complex on the Ecua- 
dorian coast. Amer. Antiquity, Vol. 28, pp. 186-192. 
