very bad attacks I now blindness Yesterday when after hears he neglected to take his glasses and is now suffering for it. Thursday May 17 15th Day Midnight Trying hard to overtake our return marches. Have done more in two than we did a three going down. We are in camp tonight off the twin glaciers. Have taken latitude by midnight sun and right- to all prominent points. Many bear tracks which we have followed without success. Fired Remington for first time on the trip. Eleven Ours today along face of Mt. Rainier Glacier.