rich variety of hallucinations experienced by natives dur- 
ing intoxication will be reported elsewhere. No attempt 
is made here to discuss the drug’s implications for psy- 
chosomatic therapy, for the treatment or investigation 
of mental disorders or for psychedelic use. 
The Sibundoy are one of the few native peoples of 
highland South America known to employ Banisteriop- 
sis. The tribe inhabits the northeast side of a small basin 
lying at 2200 meters elevation and isolated on the east- 
ern side of the Andean Cordillera in southern Colombia. 
At present, they share the basin, or the Valle de Sibun- 
doy, with some 38500-4000 Santiagueno Indians and 
about 9000 blancos of predominantly Spanish ancestry. 
In 1961. the Sibundoy numbered about 2180, having 
increased very rapidly during the present century. The 
bilingual Sibundoy have been schooled by Catholic 
missionaries, but, excepting the exigencies of the new 
religion, they adhere to their traditional cultural pat- 
terns. While their cultural origins remain enigmatic, 
their agricultural practices exclude them entirely from 
the cultural context of highland southern Colombia. It 
is likely that they were once a tropical forest people, but 
they may have ascended to the Valley of Sibundoy in 
the remote past (4, 6). Pérez de Quesada found them 
well established there in 1542 (7). 
Apart from Uscdtegui’s (43) belief that ‘‘Yagé, coca 
and tobacco are doubtlessly present as imported curi- 
osities in the bundles of magic-elements of Sibundoy 
medicine-men, but none of these narcotics is used widely 
by the Kamsa people’’, there has been no mention of the 
Sibundoy use of yagé. (Coca and tobacco—excepting 
occasional commercial cigarettes—are absent among the 
Sibundoy.) Rocha’s account (36) ina Bogota newspaper 
(the original of which I have not seen) erroneously equates 
the Mocoa and Ingano with the ‘‘Sebondoy’’, and seems 
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