“Report on the Deep-sea Medusæ dredged by H.M.S. _Challenger_.” Zoology series, vol. iv. [330 pp. and 2 plates.] 1882. “The Pedigree of Man.” Translation (by E. B. Aveling) of the _Gesammelte Populäre Vorträge_. 1883. “A Visit to Ceylon.” Translation (by Clara Bell) of the _Indische Reisebriefe_. 1883. “Report on the Radiolaria collected by H.M.S. _Challenger_.” Zoology series, vol. xviii. [2,000 pp. 4to and 140 plates.] 1887. “Report on the Siphonophoræ collected by H.M.S. _Challenger_.” Zoology series, vol. xxviii. [380 pp. 4to and 50 plates.] 1888. “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 (EXCLUSIVE OF ARTICLES IN SCIENTIFIC PERIODICALS, ETC.) “De telis quibusdam Astaci fluviatilis.” Dissertatio inauguralis histologica. [48 pp. and 2 plates.] 1857. “De rhizopodum finibus et ordinibus.” Diss. pro venia legendi impetranda. 1861. “Die Radiolarien (_Rhizopoda radiaria_).” [Vol. i., 572 pp. fol.; vol. ii., 35 plates.] 1862. “Beiträge zur Naturgeschichte der Hydromedusen. Die Familie der Rüsselquallen (_Medusæ Geryonidæ_).” [204 pp. and 6 plates.] 1865. “Generelle Morphologie der Organismen.” [Vol. i, xxxii and 574 pp. and 2 plates; vol. ii., clx and 462 pp. and 8 plates.] 1866. “Natürliche Schöpfungsgeschichte.” [568 pp. and 9 plates.] 1868. [10th edition, 1902.] “Uber die Entstehung und den Stammbaum des Menschengeschlechts.” 1868. “Zur Entwickelungsgeschichte der Siphonophoren.” Crowned by the Utrecht Society of Art and Science. [124 pp. 4to and 14 plates.] 1869. “Uber Arbeitstheilung in Natur und Menschenleben.” 1869. “Das Leben in den grössten Meerestiefen.” 1870. “Biologische Studien.” [184 pp. and 6 plates.] 1870. “Die Kalkschwämme (_Calcispongiæ_).” [Vol. i., xvi and 484 pp.; vol. ii., 418 pp.; vol. iii., 60 plates.] 1872. “Anthropogenie, oder Entwickelungsgeschichte des Menschen.” [xviii and 732 pp., 12 plates, and 210 woodcuts.] 1874. “Arabische Korallen.” 1875. “Die Perigenesis der Plastidule oder die Wellenzengung der Lebenstheilchen.” 1876. “Studien zur Gastræatheorie.” [270 pp. and 14 plates.] 1877.