18. The references in this verse are obscure, and I doubt if I have
solved them.
20. "The house of spring;" compare the expression in v. 1, of
Nezahualcoyotl's song, p. 42.
21. A long oration of Xicontecatl, lord of Tizatlan, may be found in
Clavigero, _Hist. Antica di Messico_, Tom. III, p. 40. The expression
in _camaxochitzin_, from _camatl_, mouth, _xochitl_, rose, flower,
and the reverential _tzin_, is noteworthy.
24. _petlacoatl_, the centipede or scolopender; from _petlatl_, mat,
and _coatl_, serpent, as they are said to intertwine with each other,
like the threads of a mat (Sahagun, Lib. XII, cap. 4).