Koford, Rolf 1974 1975 Catalogue 9.2 mi. E, 6.6 mi. S Colonia Cardenas, Baja Calif del Norte Mexico ~1050m. 16 Dec. 25 ♂ Peromyscus eremicus 190 - 104 - 20-18 = 15.5 gms. testes 4x2 ; collected under a rock on a hill skull only 26 ♂ Dipodomys 263 - 146 - 40 - 17 = 53 gms. testes 9x6 mm. ; caught on relatively flat ground Rancho Sangre de Cristo, 3 1/2 mi. E Ensendaa, Baja Calif del Norte, Mexico ~ 850 m. 17 Dec. skull only 27 ♀ Dipodomys agilis 269 - 152 - 42-17 = 54 gms. nulliparous 28 ♂ Peromyscus maniculatus 151 - 79 - 20 - 19 = 15.5 gms. testes 6 x 4 mm. skull only 29 ♀ Dipodomys agilis 283 - 169 - 40-18 = 48.5 gms. nulliparous skull only 30 ♂ Dipodomys agilis 286 - 163 - 42-18 = 54.5 gms. testes 10 x 5 mm. , abdominal skull only 31 ♂ Dipodomys agilis 304 - 184 - 43 - 18 = 48 gms. testes 10 x 6 1/2 mm., abdominal 32 ♀ Dipodomys merriami 244 - 144 - 36-14 = 32.5 gms. nulliparous ; Collected by W.Z. Lidicker White Cloud campground, 48 ENE Nev 10 mi. ENE Nevada City, 4800 ft., Nevada Co., Calif. 23 May 1975 33 ♂ Spermophilus beecheyi 410 - 167 - 50-29 = 320 gms. testes 29 x 14, scrotal