CHAPTER VII.
SOUTHWARD AGAIN.--CROSSING A BARRANCA.--BARRANCAS IN MEXICO.--LAGOS AND ITS PECULIARITIES.--LEON, THE MANUFACTURING CITY OF MEXICO.--SILAO.--ARRIVAL AT GUANAJUATO.--A SILVER CITY.--THE VALENCIANO MINE.--AN UNHEALTHY PLACE.--BAD DRAINAGE.--A SYSTEM OF RESERVOIRS.--THE CASTILLO DEL GRENADITAS.--AN INDIAN'S ARMOR.--EXPERT THIEVES.--STEALING A GRINDSTONE.--MARKET SCENES.--HEADS OF SHEEP AND GOATS.--SCHOOLS AT GUANAJUATO.--EDUCATION IN MEXICO.--DOWN IN THE RAYAS MINE.--SIGHTS UNDERGROUND.--AN INDIAN WATER-CARRIER.--HOW A SKIN IS TAKEN WHOLE FROM A PIG.--THE REDUCTION HACIENDA.--MR. PARKMAN'S MACHINE.--QUERETARO.--THE HERCULES AND OTHER COTTON-MILLS. 102