This sketch of the Argonaut Fresco was probably drawn by Emile Gilliéron fils. It shows a type of octopus, an argonaut, with stylised tentacles. It is not clear if this is the drawing referred to in the printed catalogue.
Bibliography
Evans, Arthur. 1930. The Palace of Minos at Knossos, III, pp. 888-891
Myres, John (ed.). 1936. British Archaeological Discoveries in Greece and Crete 1886-1936, p. 25