Catalogue Hafner, M.S. 1976 10 mi. E, 15 mi. N Warm Springs, 6000 ft., Nye Co., Nevada. 28 March (cont) tissue skeleton only 541 ? Peromyscus maniculatus testes = 9 x 5 mm, scrotal ?, tub. visib. in caud. epid. 147-69-20-17 = [nowt.] " " 542 ? Peromyscus maniculatus testes = 10 x 5 mm, ± abdom., tub. visib. in caud. epid. 141-62-21-18 = [nowt.] " " 543 ? Peromyscus maniculatus testes = 9 x 5 mm, ± abdom., tub. visib. in caud. epid. 153-63-21-18 = [" "] Carrizo Plain, 3.8 mi. S, 11.5 mi. W Taft (Kern Co.), San Luis Obispo Co., California 2200 ft. 17 April skeleton 544 ? Dipodomys nitratoides testes = 11 x 6 mm, scrotal, SV = 20mm, tub. visib. 238-145-37-13 = 43gm skeleton only 545 ♀ Dipodomys heermanni vag. closed, umb. 2R-2L = 5 mm. 285-169-42-18 = 68 gm Carrizo Plain, 7.5 mi. E, 2.5 mi. S. Simmler, San Luis Obispo Co., California, 2400 ft. 17 April skeleton 546 ? Perognathus californicus testes = 8 mm, scrotal, tub. visib. 167-91-24-12 = 16 gm. skeleton 547 ? Ammospermophilus nelsoni imm. testes = 5 mm; abdom. 180-58-35-12 = 61 gm. skeleton 548 ♀ Ammospermophilus nelsoni imm. vag. closed, null. 177-60-37-12 = 56 gm. skeleton 549 ? Ammospermophilus nelsoni vag. closed, teats 4R-1L — lactating; nipples 7R-6L (2nd pectoral nipple on left side missing) 222-75-40-14 = 140 gm. 1.0 mi. W Lost Hills, Kern Co., California, 350 ft. 10 April tissue skeleton Alc. 550 ? Dipodomys nitratoides testes = 12 mm., scrotal, tub. visib. in caud. epid. 227-137-35-13 = [nowt. " " Alc. 551 ♀ Dipodomys nitratoides vag. closed; ecb. = 2R-1L = 6mm. 215-128-35-13 = [nowt.] 6.2 mi. E, 2.5 mi. N Lost Hills, Kern Co., California, 200 ft. 10 April seed cache tissue Alc. 552 ? Dipodomys nitratoides testes = 10 mm., scrotal, tub. visib. in caud. epid. 233-147-36-14 = [nowt] skull " " Alc. 553 ♀ Dipodomys nitratoides vag. closed, reabsorbed emb: 1L-1R 232-137-36-14 = [nowt.] seed tissue Alc. 554 ♀ Dipodomys nitratoides " " skull vag. closed, reabsorbed emb: 1L-1R 230-144-36-15 = [nowt.]