ERRATA 
page 9, line 15 
for carriguda read barriguda 
page 28, line 22 
for 994 read t. 994 
page 47, line 21 
for (centaros) read (cantaros) 
page 58, line 30 
for eti hua read e ti hua 
page 164, lines 4 and 19 
for Cuezcomayxtlahuacan read Cuezcomaixtlahuacan 
page [201], Plate XVII 
for A read B; for B read C; for C read A 
Issued June 27, 1949 
[ xix ] 
