Fig. 2 in Growth and nest hole size preferences in immature southern house spiders (Araneae: Filistatidae): Are they constrained consumers?

Fig. 2. Scale drawing of clear plastic test chamber. An immature Kukulcania hibernalis introduced through the hole in the top could choose to nest in any one of 4 different size holes drilled in wooden dowels (1.9 cm diam.) protruding into the chamber.