D.F. Hoffmeister 1939 Catalogue Range 2mi. SW Socorro, 4700 ft., Socorro Co., New Mexico May 3, 1939 52. ♂ Dipodomys o. ordii (Coll. R.E. Paikko CR-156) 225-135-42-13 53. ♂ Dipodomys " " (F.T. Tesar CR-157) 235-135-43-14 (R.E.PaikkoCR-158) 54. ♂ Peromyscus s. strenuus 185-100-18-17 (R.E.Raikko CR-159) 55. ♀ Peromyscus " " 190-100-21-17 Acc. 5854 Received at M.V.Z. May 5, 1939, 15 mammal skulls (Castor and Ondatra) from Mr. Stanley G. Jewett, 1404 Bidwell St., S.E., Portland Oregon Columbia Co., Oregon 1930 skull only (Coll. S.G. Jewett?) 90730 56. ? Castor canadensis Willow Creek, 3mi. S Lone, Morrow Co., Oregon Feb. 8, 1939 skull only (Coll.: Lee Land) 90743 57. ? Ondatra Feb. 11, 1939 skull only (Coll.: Lee Land) 90744 58. ♀ Ondatra (Coll.: Lee Land) skull only 90733 59. ♂ Castor canadensis Dry Creek, in north end of Grande Ronde Valley, Union Co., Ore. Spring, 1939 skull only (Coll. unknown) 90731 60. ♀ Castor canadensis (Coll.unknown) skull only Mill Creek, in North end of Grande Ronde Valley, Union Co., Ore. Spring 1939 (Coll. unknown) 90732 61. ? Castor canadensis Clarno, Wheeler Co., Oregon Feb. 3, 1939 skull only (Coll. Lee Land) 90734 62. ♂ Castor canadensis