ARRIVAL OF SECOND RELIEF, OR REED-GREENWOOD PARTY—FEW SURVIVORS STRONG ENOUGH TO TRAVEL—WIFE'S CHOICE—PARTINGS AT DONNER CAMP—MY TWO SISTERS AND I DESERTED—DEPARTURE OF SECOND RELIEF PARTY.A FATEFUL CABIN—MRS. MURPHY GIVES MOTHERLY COMFORT—THE GREAT STORM—HALF A BISCUIT—ARRIVAL OF THIRD RELIEF—"WHERE IS MY BOY?"CHAPTER XIII