Detachment under Anza scouts Sierra del Purgatorio, Jojova in search of Pima rebels. Finds none. Detachment under Bergosa encounters Rancheria of 6 Seri men in Arroyo de los Tobosos. Kills famous Seri capitan chepillo- other 5 men out hunting. Also, kills 1 woman, 2 boys, takes 9 children, 4 women prisoner. Detachment under Moreno attacks Seri Rancheria in marisma. Seris flee into unasperisimo bosque. 7 children captured. Bloody tracks found. Continues to Tenuaje, Tonuco, surprising Rancheria of 4 Pimas. Elizondo argues that such guerrilla warfare tactics es el Mas breve y unico, para conseguir su condigno castigo of rebels. (T. Sheridan) (1980)