Chang and Eng Bunker used as early as October 1829 to describe other conjoined twins. Decades later use of the standalone "Siamese twins"—which modern researchers see as outmoded, preferring "conjoined twins"—became widespread. Thus Chang and Eng have often been retrospectively referred to as the "original Siamese twins". Before the Bunkers' bodies were returned to North Carolina for burial (in 1917 they were moved to the cemetery at White Plains Baptist Church outside Mount Airy), doctors took photographs of the connecting tissue and hired sculptor John Casani to make a plaster cast of the twins. The Bunkers' fused livers are preserved in fluid and displayed
Tarzan and the Tarzan Twins it features Tarzan's first meeting with Doctor Karl von Harben, with whom he is already acquainted in "Empire". Because "Twins" is a children's book, however, it is customarily omitted from listings of the main Tarzan series. Thus "Tarzan, Lord of the Jungle" is generally considered the eleventh Tarzan book rather than "Twins". Two schoolboys, Dick and Doc, are cousins who resemble each other because their mothers are twins. As Dick is also related to Tarzan through his father, they become known as the Tarzan Twins. Invited to visit Tarzan's African estate, they become lost in the jungle and are imprisoned