Ridgeway provides some details about historical accounts of the first horses brought into Mexico and Texas by the Spaniards, in preparation for Ewart's visit to Mexico. He also passes on information from a local farmer, John Thornton, about bronchos in Mexico, and Hans Gadow about dun and roan horses. He congratulates Ewart on his forthcoming marriage.

The latter part of the letter is not present. The letter also bears the incorrect date of 1905.