Dana on Silicification, [38], [42].
Dana’s Mineralogy noticed, [9].
Dapedius, [603].
Daphnoidia, [532].
Darling Downs, Australia, [803].
Darmstadt, [787].
Darwin, Mr. C., researches of, [506], [508], [798].
Dawson, Mr. J., researches of, [747], [748].
Deane, Dr. J., on ornithoidichnites, [769].