North 22 (original) opn Jan 29,18 distances from monuments given by Mearns that I have calculated that the type locality of Peromyscus erinitus speatophani should X is 3.6 miles NE of Mt. Springs, Imperial Co., Calif., or about 4.2 miles SW of Coyote Wells,Imperial Co., California and at an altitude of 1,837 ft. These distances" as the crow flies). At the time I was looking for the type locality, there was no water in the wash however a search might have found some and since I was driving a car, I could not look for water. I did not have this description with me either. I believe this type locality to be near the mouth of the canyon and when looking for this place, I suggest that distances should be measured "as the crow flies," and not along the road by automobile speeds speedometer. I checked distance between the present site of Coyote Wells and Mt. Springs, at a Shell Oil Co."road map and found it to be roughly 8 miles this agrees with the distances as computed from Mearns' data. I also suggest