“Report on the Deep-sea Keratosa collected by H.M.S. Challenger.” Zoology series, vol. xxxii. [92 pp. and 8 plates.] 1889.
“Planktonic-studies.” Translation (by S. W. Field) of Plankton-studien. 1891.
“The Confession of Faith of a Man of Science.” Translation (by J. Gilchrist) of Monismus. 1894.
“The Last Link.” Translation (by Dr. Gadow) of the Cambridge Lecture on Evolution. 1898.
“The Riddle of the Universe.” Translation (by J. McCabe) of Die Welträthsel. 1901. [6th edition, 1905.]
“The Wonders of Life.” Translation (by J. McCabe) of Die Lebenswunder. 1904.
“The Evolution of Man.” Translation (by J. McCabe) of the 5th edition of the Anthropogenie. [905 pp., 512 illustrations, and 30 plates.] 1905.
“Last Words on Evolution.” Translation (by J. McCabe) of Der Kampf um den Entwichelungs-Gedanken. 1906.
COMPLETE LIST OF PROF. HAECKEL’S WORKS