 The measurements for lengths of the forearm 36 to 42 (mean 28.5) mm for the inland slopes and 40 to 48 (44) mm for the coast and ranges, the weight range is 5.2 to 9.9 (mean 8.0) g inland and 9.0 to 16.5 (12.3) g at the coast and mountain ranges.The post nasal ridge of this species is more developed, in frontal view a T-shaped indentation is often apparent.The width between the outer canines is less than 5.6 mm.