First letter (7/14/1741) a lengthy diatribe concerning Yaqui revolt, including- 1) perfidy/imprisonment of 2 Yaqui leaders of rebellion, Muni and Bernabe, from Rahum, Huirivis, at Buenavista presidio; use of Peyote by Yaqui hechiceros; severe criticism of Huidobro; execution of Muni, Bernabe at Buenavista June 23, 1741; rebellion led by Juan Calixto Ayamea, also from Rahum; peace prevailing presently at Garcia's own Pueblo of Torim. Eloquent presentation of Spanish view of rebellion. Second letter (4/30/1742) describes campaign of teniente Canas, 12 soldiers against rebel group of Mayos, Yaquis and Pimas led by Siboli in which Canas, another soldier died; ultimate destruction of Siboli's band, more criticism of Huidobro for his arbitrary dispensation of justice; praises sizeable number of Yaquis who remained faithful to Spaniards, blames Huidobro for rise of los Munis, los Bernabes, los Calixtos. (T. Sheridan) (1977)