Chattin J. 1940 Itinerary Old Fort Clatsop, 100 ft., Clatsop Co., Oregon burrows and surface runs beneath Carex and Xerophyllum. Ground is level and moist. Aug 23 a.m. Traps were inspected and reset. Traps in riverbottom contained 1 Neurotrichus (caught beneath Carex in same trap in which 2 others have been caught previously), & 1 Microtus townsendii. Traps in sedge contained 3 Microtus oregoni & 1 Zapus.- 1 Estamiás was shot from dead limb of Sitka spruce. set p.m. 20 more traps were beneath Carex in underground burrows). 1 Sorex bendirii was caught during day in underground burrow beneath sedge. Aug 24 a.m. Inspected and reset traps. Traps in river bottom contained 1 Sorex trowbridgii. Traps set beneath Carex contained 1 Sorex trowbridgii, 3 Sorex vagrans, 1 Zapus, 1 Sorex obscurus and 2 Neurotrichus. p.m. Built a small seine and seined small pond about 100 yds West of fort site. Adult Triturus similans and Anceides were catalogued. Larvae of both kinds were preserved but uncatalogued. Aug 25 am Inspected and reset traps. Traps in river bottom contained 4 Microtus oregoni. Traps set beneath Carex contained 3 Sorex vagrans, 1 Zapus, 2 Peromyscus, 1 Sorex bendirii & 3 Microtus oregoni. Total of 7 Microtus caught is of interest and may possibly be due to slight rain which fell