Figure 3 in Soil preference and burrow structure of an endangered tarantula, Brachypelma vagans (Mygalomorphae: Theraphosidae)

Figure 3. Structures of the burrows of Brachypelma vagans. (A) Burrow with four chambers; (B) burrow with two chambers; (C) prototype of single chamber burrow; (D) prototype of burrow without chamber. a, Entrance diameter of the burrow; b, length of the tunnel; c, depth of the burrow; d1–d4, length of chambers; e1–e4, width of chambers; f1–f4, height of chambers.