POSTER Mary Jane Rathbun 1860 1943 working crab specimens Mary Jane Rathbun 1860 1943 worked United States Fish Commission later at United States National Museum Department Marine Invertebrates She began work as an unpaid assistant to brother Richard Rathbun was later able to secure a museum position Rathbun's primary zoological interest was study crustacea particularly crabs both recent fossil er er Medium Black white ic print