V. Menneler 1971 Zapus orarius May 18, Russian creek State Park, Mendocino Co., Calif. elev. 40ft. A trap was set in a Riparian marginal habitat in the evening and the specimen was found in the morning. This was one of 26 traps set. Other catches in the same line were: 1 Sorex and 6 Peromyscus maniculatus. Plants included in the habitat in abundance were Thimble berry, Salmonberry, Nettle, Blackberry and Alum Root. The specimen captured was an adult ♀ and contained 6 embryos in early stages of development. May 19, Another specimen obtained in a trap set in a drain leading to a stream. Another animal had preceded us however and succeeded in completely devouring half of the Zapus. The habitat & plant were the same as the night before. The ground was moist on both days. May 20, 3 ♂ Zapus were caught in a Riparian marginal habitat in the same line as set on May 16th. There were 22 traps set and 7 other individuals representing 4 other species. May 22, 1 ♂ Zapus was caught by one of 37 traps set in a Riparian-marginal habitat. There were 9 other catches and 3 other sp.