In two specimens of 61 mm SVL (UADZ 3807) and 60 mm SVL (UADZ 3808), part of the vertebral "stripe" resembled two strands in a twisted cord.
(1990) in which skin patches exchanged between a lizard (UADZ 3908; 65 mm SVL; Table 1) from south of Candelaria, Presidio County, and one from Conchas Lake, San Miguel County, New Mexico, were mutually accepted.
dixoni B examined from Presidio County, Texas:
UADZ 3457-3458, 3461-3462, 3463-3465, 3469, 3473-3474, 3568, 3571, 3602, 3678, 3695, 3697-3698, 3700, 3759, 3769, 3819, 3854, 3869, 3885-3886, 3943, 3955-3956, 3958, 3970-3971, 3985, 4016-4017, 4027, 4031, 4034, 4349-4350, 4359, 4383, 4385, 4417-4418, 4426, 4428, 4607, 4641, 4723-4726, 4733-4736, 4740, 4742, 4750, 4754-4755, 4759-4762, 4764, 4767, 4934, 4936, 4946, 4969, 4973-4974, 4976, 5054, 5056-5057, 5063-5064, 5066-5068, 5117; SRSU 883, 885, 892, 911-912, 1000, 1183, 1296, 3029, 4443, 4555, 4803, 5809, 6040.