hacker 1958 Species Account Peromyscus crinitus July 16. Trucro Mines, 700+ ft., Imperial Co., Calif. Three of these mice were taken in the trapline (see species acc. of Perognathus spinatus for further details) when line checked at 9:30 P.M. (550-552) July 17. Three more of these were taken from the trapline and four from the old corrugated iron building in which we were staying. Only three were saved - frozen and put up later. (615-617) July 18 Two more were taken from the same trapline this A.M.