Checkerboard Bonnet Shell (Phalium Areola)

Black chalk and black chalk steeped in oil on off-white antique laid paper; some incised lines at lower left

Brown ink over black chalk on cream antique laid paper, silhouetted, laid down on cream antique laid paper

Black and red chalk, with later additions of brown ink, red chalk, and gray wash, on off-white antique laid paper cut into an oval and mounted to off-white antique laid paper, framing lines and horixontal and vertical axes lines in graphite

Black chalk, with framing lines in black chalk, on cream antique laid paper

Transparent watercolor and brown ink over graphite on cream antique laid paper, remnants of a framing line in brown ink

Brown ink over black chalk on cream antique laid paper

Brown ink and [later?] gray wash over graphite, partially incised, on cream antique-laid paper

Brown ink, brown wash, black chalk on oiled antique laid paper, incised, framing line in black ink along right, top and bottom edges

Black ink, gray wash, and white opaque watercolor over black chalk on off-white antique laid paper, framing line in black ink

Black chalk and gray wash on cream antique laid paper, framing lines in black chalk

Brown ink on off white antique laid paper

Brown ink and gray wash over traces of black chalk on off-white antique laid paper, laid down on card and attached to mount