ACKNOWLEDGMENTS 
For valuable comments and assistance in preparing 
this paper, | am particularly indebted to Dr. Richard 
Evans Schultes of Harvard University, who encouraged 
me to undertake and report on the research. 
My grateful appreciation for many answers to requests 
for information goes especially to Professor Walter Du- 
pouy, of Caracas and to Senor Salvador Valero C. of 
San Rafael de Carvajal, Valera, State of Trujillo, who 
generously shared their knowledge of chimo with me; 
and to Dr. Erika Wagner of Caracas, who furnished me 
with invaluable historical and archaeological material. 
This paper owes them a significant debt. 
Finally, I wish to express my gratitude to others 
named below, who provided data through personal com- 
munications or who were otherwise helpful in the prepa- 
ration of this monograph: Dr. Miguel Acosta Saignes; 
Dr. EK. P. de Bellard; Mr. G.C. Kk. Dunsterville; Min- 
isterio de KFomento, Venezuela (Sr. Luis Andrés Col- 
menares); Larry L. Kistler; Dr. Victor Manuel Patino; 
Sr. Rafael Pineda; Sr. Angel Pinedo; Dr. Luis Felipe 
Ramon y Rivera; Dr. Gerardo Reichel-Dolmatoff; Dr. 
Maria Teresa Rojas; Dr. Velva EK. Rudd; Dr. Julian 
A. Steyermark; Sra. Hildamar E. de Tesser; Mr. Dieter 
C. Wasshausen; Dr. J. J. Wurdack. 
