no spinal column

Pen and ink illustration with brown watercolour top wash of a representative of the spider family

Yellow meadow ant Lasius flavus carrying an egg across the dirt

Wolf spider Lycosa

American lobster Homarus americanus pair with male with large claw and long red antennae in the foregrouf, female behind, colouration as when alive

White clawed crayfish Austropotamobius pallipes very simplifies line and wash drawing showing the crusatcean in profile

Red spider mite Tetranychus urticae cut to white pen and ink with colour wash sketch, plant behind with typical webbing and spider mite damage