Field guide No. 1636
Thick skin
Peel this one first
A rough brown husk lies cracked open on black cloth, and inside it sits a white onion in papery skins. The onion grew a shell to go with its layers.
Field noteOnion nests inside a cracked brown husk like a nut in its shell.
Also possible, also breaking category
Stone pages over a black shoreStrata are layered like pages, which is as far as rock and books usually go.
After the rainbowA rainbow runs down a barren valley. The watershed has been assigned a palette.
Storm felled tree, living worm rootsThe upturned root plate is made of thick reddish worms. The storm only revealed it.
Shell accommodationHermit crabs moved into shells long before anyone with a staircase did. Scale is the only holdup.
