Kunstformen der Natur

Filicinae. – Laubfarne (1904)

Filicinae. – Laubfarne. (1904)

Echinidea. – Igelsterne (1904)

Echinidea. – Igelsterne (1904)

Discomedusae. – Schweibenquallen (1904)

Discomedusae. – Schweibenquallen (1904)

Discomedusae. – Scheibenquallen (1904)

Discomedusae. – Scheibenquallen (1904)

Acanthometra. – Stachelstrahlinge (1904)

Discoidea. – Scheiben-Strahlinge (1904)

Diatomea. – Schachtellinge (1904)

Diatomea. – Schachtellinge. (1904)

Desmidiea. – Bierdinge (1904)

Decapoda. – Behnfukkreble (1904)

Cystoidea. – Beutelsterne (1904)

Cubomedusae. – Würfelquallen (1904)

Ctenophorae. – Kammquallen (1904)

Crytoidea. – Flaschenstrahlinge (1904)

Crinoidea. – Palmensterne (1904)

Copepoda. – Ruderkrebse (1904)