O. P. PEARSON 1949 8 Schoolhouse Peak, 2700ft., Humboldt Co. Calif. aug. 23 1721 ♂ Zopher trambidegi humboldtensis in north slope forest, no tent. 125 x 60 x 14 x 7 3.4g. 1722 ♂ Zopher vagans vagans in ridge seep out in prairie. 108 x 43 x 13 x 7 5.1g. 1723 ♂ Cethrionomys californicus in north slope woods, taken 11m. 152 x 51 x 19 x 11 29.8g. 1724 ♀ Thomomys other tent, no can tent. In meadow at Frank 187 x 57 x 26 x 4 84.0g. 1725 ♂ Zopher vagans vagans in ridge seep in prairie, where large mound 100 x 40 x 12 x 8 4.2 g. 1726 ♂ Microtus californicus constructus in ridge seep in prairie. Eye 3.5mm. Testis 6m 179 x 53 x 21 x 15 40.8 g. 1727 ♂ Peromyscus maniculatus rubidus North slope woods, taken 10 m. 183 x 92 x 21 x 19 1728 ♀ " " North slope woods, 4 emb., N.R. 29mm. 203 x 904 x 22 x 19 30.5g 1729 ♀ " " Ridge seep in prairie, 3 emb. 18m., OR 184 x 90 x 21 x 19 24.2 g. 1730 ♀ Peromyscus longicauda I small emb. at horn 180 x 80 x 19 x 12 26.5g. French Camp, 3100ft. Schoolhouse Peak, 2700ft., Humboldt Co aug. 24 1731 Ervotina Under bark on ground in Dug. fir, madrone, tan oak N slope. 1732 Rhyscotriton " " 1733 ♂ Myotis evotis in rock crevice, taken 6mm. 96 x 44 x 10 x 23 7.0g, 1734 ♂ " " in rock crevice taken 6mm. 97 x 45 x 10 x 24 6.4g. French Camp, 3100ft. aug. 24 1735 Cethrionomys californicus among many rocks in Dug. fir 141 x 44 x 19 x 13 21.2 g taken 8mm. Eye 2.5mm. 1736 ♂ Leimura douglasii molli-pilosa Testis 20m. 316 x 119 x 52 x 26 217.6 1737 ♀ Cethrionomys californicus caught by Bullock, in tree stand on slope 143 x 48 x 19 x 13 20.8g. 1738 ♂ Peromyscus maniculatus rubidus caught by Bullock at edge of snow grass Testis (2m. 185 x 95 x 21 x 17 21.7g. aug. 25 1739 ♀ Peromyscus maniculatus rubidus caught by Bullock, south slope 198 x 101 x 23 x 19 23.6 g. Dug. fir, Testis 10m. 1740 ♂ " " 186 x 99 x 21 x 19 19.6g.