Lee Arnold 1937 near Smith Creek Cave, 5,000 ft., Mt. Thoriz, White Pine Co., Nevada Itinerary June 8 Its color was a more or less even pale brownish tan. I could see no definite markings of other colors although I had a very good opportunity to view the animal for a moment as it paused on a low boulder to view me. Its running method of holding its body was similar to a grey squirrel but it seemed to arch higher into the air as it ran. I was at sea as to what it was so took a long chance of collecting it before it disappeared. Evidently the shot was too fine (#10's) to bring the animal down for in spite of shooting both barrels at once the animal escaped. It ran up a ravine full of medium sized boulders—running around and climbing over them as it went. At one time it disappeared under a very large rock. I thought it had run down a hole but in a moment it appeared on the other side and continued on up the hill. All this happened in much less time than it takes to write it, however. June 9 This morning at about 8:45 o'clock I had a better look at the animal I saw yesterday. It was about 50 ft.