J. Hoffmeister 1939 Itinerary June 29 Crooked R., 3400 ft. at mouth of Bear Cr., Crook Co., Oregon Perognathus fascivus 6 (4♂; 2 with embryos). June 30 Last night, David Johnson and I drove by way of Oregon Highway "27" to a locality designated as "Crooked R., 3100 ft., 4 mi. W mouth of Bear Cr., Crook Co., Oregon." This locality is the cliffs on the north side of the river at this place which is marked near the highway by a bench mark, BM 3060 ft. I set 72 traps along the hillside cliffs of basalt and 10 in junipers near the river. In these 82 traps I got 4 Peromyscus manniculatus (3♂; 1♀), 1 Peromyscus truei ♀ (in the junipers south of the road nearer the stream), and 4 Perognathus (2♂ and 2♀) which were caught on the cliffs and basaltic slides, were I had expected to get Peromyscus crinitus. Also last evening, Johnson & I drove in the opposite direction up stream to a locality designated as "Crooked R., 3600 ft., 3 mi. E mouth of Bear Cr., Crook Co., Oregon." This spot is the Gibson ranch on highway 27. I talked with Mr. Gibson, who has been in this region since he was born, 46 yrs. ago. He said highway 27 (along the river) has only been in since after