EXPLANATION OF THE ILLUSTRATION 
Prare XXIV. The earliest European account of 
the use of the black-drink was written by Nufez 
Cabeca de Vaca and published in his ‘‘Relacién y 
** of which there have been 
commentarios.... 
several editions. The illustration is a photograph 
of the account as it appears in the first edition of 
1542. Of this rare and fascinating book only two 
copies are known: an imperfect copy preserved in 
the British Museum; and a perfect one in the New 
York Public Library, through the kind coopera- 
tion of which institution the photograph herein 
reproduced was made available. 
