Leaves in colored pencil with overlay in ink labeling the parts of the leaves
Measured line drawings of a chicken skull, hyoid bone, and sclerotic ring
Graphite value drawing of chicken skull, hyoid bone, and sclerotic ring
Gouache and colored pencil of chicken skull, hyoid bone, and sclerotic ring
Measure line drawings of a cervical cat vertebrae
Cat cervical vertebra on scratchboard
Measured line drawing of an ammonite
Graphite value drawing of a blue cockchafer beetle (magnification x10)
Carbon dust and ink on dendril of the dorsal view of a horseshoe crab
Carbon dust and ink on dendril of the ventral view of a horseshoe crab
Measured line drawings of a mink skull
Graphite value study of a mink skull
Gouache and colored pencil of a mink skull
Measured line drawing of a shell
Measured line drawing of a shell
