Peterson 1935. Eutamias minimus scrutator July 2. 1mi. N Winnemucca, 4600ft., Humboldt Co., Nevada. One specimen caught to W of Humboldt River on dry gravelly slope covered with sage brush. Chipmunks diurnal - not nocturnal - beginning activity early in the morning. July 4. 1mi. N Winnemucca, 4600ft., Humboldt Co., Nevada. Three caught on sand dunes to E of Humboldt River. Have not heard these chipmunks chip, call, utter cry of alarm, nor of disappointment, nor even one of defiance as the Eastern (Michigan) species are in habit of doing. July 6. Marys River, 5800ft., 22mi. N Deeth, ELKO Co., Nevada. Four caught on dry rolling gravelly area to E of Marys River covered with sparse growth of low sage brush. Most likely found along fences + in bottoms of small stream washes. July 8. Marys River, 5800ft., 22mi. N Deeth, ELKO Co., Nevada. Two caught on dry hill slope near meadow to E of Marys River. Slope gravelly + covered with sage brush. One just recently caught across lumber region still alive upon my arrival.