Ultrastructure of scales in and around the scent glands patches of E. montanus A Scent glands patches B and C Scales in the scent glands patches (S1: The first scale; S2: The second scale; S3: The third scale) D The second scale E The third scale F Type 1 scales around the scent glands patches G Ultrastructure of type 1 scale around the scent glands patches H Type 2 scales around the scent glands patches I Ultrastructure of type 2 scale around the scent glands patches J Type 3 scales around the scent glands patches K Ultrastructure of type 3 scale around the scent glands patches.