LIDICKER 1976 450 ft. Experimental Farm Univ. of Alaska, Fairbanks, Alaska Aug. 31 3518. ♀ Microtus pennsylvanicus B, L.K. Long 1¾ in. wid. in some or involved 31 g. 163-38-21-13 3519. ♀ Muskrat virgosa B,L,K. No scale forms ? ; or, 2s. but all 28 g. 161-86-21-13 medium 3520. ♂ Microtus B,L.K. +4+3x2-- 18 g. 140-34-19-12 3521. ♂ .. B,L,K. +4st.3½x2-- 20 g. 142-33-19,5-12 3522. ♂ .. B,L,K. +4st.3½x2--. 17.5 g. 134-30-19,5-11,5 1 mi. NW Univ. of Alaska, 50 ft., Fairbanks, Alaska Aug. 31 3523. ♀ Microtus oregonus B,L,K. +4+2½x1½--. 12.5 g. 127-29-20-11 3524. ♀ .. julva widg. inf. B,L.K. 5st.x30+1,visib.x10m..1act. 47 g. 166-40-19,5-14 3525. ♂ .. B.LK. +4st.7x5--at.visib.n.v.8l-- 43.5 g. 188-46-21-13,5 5 mi. N. Univ. of Alaska, 850 ft., Fairbanks, Alaska Aug. 31 3526. ♂ Microtus B,L,K. +4st.2½x1½-- 18 g. 135-30-20-11 3527. ♀ .. B,L.K. +4+2x1½--. 16 g. 128-29-19,5-10,5 Yukon Haul Rd., 4 mi. N Hass Creek Bridge, 1000 ft., 22 mi. NW Livengood, Alaska Aug. 28/9 3528. ♀ Microtus 4 mcmnt R.D.scar, elect. 24.0 g. 145-30-18,5-11 Yukon Haul Rd., 2.5 mi. N Hass Creek Bridge, 1000ft. 20mi. NW Livengood, Alaska Aug. 29 3529. ♂ Microtus tst.3x1½--. 138g. 117-30-18-10 Experimental Farm, 450 ft., University of Alaska, Fairbanks, Alaska Aug. 30 3530. ♂ Microtus +st.8x4½--,at.visib.,S.V.7-- 38.2 g. 171-43-21,5-12,5 3531. ♂ .. +st.8x5½,at.visib.,S.V.12-- 38.2 g. 174-44-20,5-13