Letter to viceroy with account by Gallardo of exploration in California, pacification of Indians, discovery of los Angeles bay, establishment and construction of Santa Gertrudis mission; his return and imprisonment by capitan of garrison in conjunction with two missionaries and his ruin when captain of garrison stole his papers and wife's jewelry; missionaries promised him death if truth was ever known. Includes detailed ethnography of area explored with accounts of richness to be found in water, pasture and fertile lands. (A. Dell'acqua, November 1987)