T.B. Richerson 934 6. General Account. Caught Rithodontomys megatilis longicaudus 19. Trap set under small stone level side hill scattered vegetation. Caught young Peromyscus maculatus gambeli. 20. Trap set in small trail in varied vegetation on steep hill side. Cover scattered and short. Caught Rithodontomys megatilis longicaudus. The weather condition were clear in evening but clouded up that evening flat and foggy again by morning. The ground was very moist due to a heavy rain the night before.