Nota :
J. J. Bigsby, "The History of the Geological Society of London", by H. B. Woodward, QET W66 (to face p. 252).
Photographs Relating To John Jeremiah Bigsby, His Manuscript, Manuscript Geological And Topographical Maps, His Portrait, 1821 Am. J. Of Science Plate Ii, And His Medal Given By The Geological Society (Of London).