Fig. 25 in A History Of Herpetology At The American Museum Of Natural History

Fig. 25. Mary Dickerson's American Giant Salamander Group (Cryptobranchus). Although the problem of showing animals underwater had been solved in the Bullfrog Group, the casting of these flaccid salamanders out of water posed still another difficulty. Group finished in 1912; photograph taken in 1925. AMNH Photographic Archives 310930.