Plant and Insect Study: Bottle Gourd; Io Butterfly

Transparent and opaque watercolor with gum additions and traces of graphite on off-white modern laid paper

Watercolor over graphite on cream antique laid paper

Gray wash, black ink, and touches of pink watercolor over graphite on cream wove paper

Black chalk on cream antique laid paper

Brown ink

Gray wash and black ink over graphite on cream wove paper

Brown wash and graphite

Watercolor over graphite on cream antique laid paper

Watercolor over graphite on cream antique laid paper

Gray wash and black ink over graphite on cream wove paper

Ink on paper

Gray wash and black ink, over graphite on cream wove paper