The Ancient Races of Yucatan and Mexico.—I

Randolph I. Geare
1904 Scientific American  
Allow me to express appreciation, from a bacteriolog' ical standpoint, of your recent editorial condemning the devices set to accumulate dust and dirt in the Sub· way stations.
doi:10.1038/scientificamerican11261904-375a fatcat:r2kss5oogfd33dwjexskl565ym