Chambered nautilus Nautilus pompilius
Scratchboard
Male Cinnamon Teal Anas cyanoptera
Ink and Pencil on Coquille
Right Hand Internal View
Charcoal
Green Sea Urchin test Strongylocentrotus droebachiensis
Pen and Ink
Peregrine Falcon Falco peregrinus
Pen and Ink
Pine Cone
Graphite