Checkerboard Bonnet Shell (Phalium Areola)

Brown ink and brown, gray and gray-green wash and black chalk on white antique laid paper

Black chalk on off-white antique laid paper; verso: brown ink

Black ink, gray wash and white opaque watercolor or chalk on blue paper

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

Oiled charcoal and white chalk on blue antique laid paper

Brown ink and brown and blue wash on cream antique laid paper

Brown ink and wash with white opaque watercolor over black chalk on beige antique laid paper

Brown ink and gray wash, incised, on white antique laid paper, framing line in brown ink

Brown ink, brown wash and later [?] gray-blue wash over touches of graphite on cream antique laid paper, framing line in brown ink

Black and white chalk on blue antique laid paper; framing line in dark brown ink

Red chalk, incised, on antique laid paper

Black and red chalk on cream antique laid paper