(Hooper 1939) Dec 26 Chipmunk's mine, 5200 ft., 4 1/2 mi. SW. Bisley Trgbl. Calf. were found in , is a means of further heat conservation since the belly is held close to the roof of the tunnel thus reducing heat loss by lessening the exposed surface. The ears were curled up when first before the animal was disturbed but upon awakening they were erected. The heart seemed to be beating rapidly and respiration seemed normal when examined. ( hibernation ??? ). This animal soon died due to rough treatment ?? and was put up that evening. See bet further down the tunnel I found a mysus californicus Perotrellus hesperus The manner in which this animal was found is also interesting in the considerable light of heat conservation considerations.. The specimen was found lying inside a hole 3/4 inch in diameter and