Lee Arnold 1937 Horse Canyon, 5800ft; Pahrum Ph, Washoe Co., Nevada Itinerary May 30 6 Perognathus longimembris (3♂ + 3♀) 1 Dipodomys merriami (♂) 2 Dipodomys ordii (?) (2 ♀) While gathering in my traps I was startled by a two foot rattlesnake beside my trap. When I attempted to catch the snake it crawled into a hole (Probably Dipodomys). The birds seen in the Horse Canyon vicinity were: 1. Western Red-tailed Hawk 2. Cooper Hawk 3. Horned Owl (By Johnson) 4. Hummingbird (sp?) 5. Red-shafted Flicker 6. Western Kingbird 7. Western Flycatcher 8. Say's Phoebe 9. Ash-throated Flycatcher 10. Western Wood Pewee 11. Horned Lark 12. Cliff Swallow 13. Violet Green Swallow 14. Barn Swallow 15. Black-billed Magpie 16. Thrasher (sp?) 17. Western Robin 18. Gnatcatcher (sp?) 19. White-rumped Shrike 20. Western Warbling Vireo