The last link
Subtitle: our present knowlege of the descent of man.
By: By Ernst Haeckel (Jena).  With notes and biographical sketches by Hans Gadow (Cambridge).
Contributors: Gadow, Hans Friedrich, 1855-1928
Publisher: A. and C. Black
Published: 1898
Place of publication: London
Language: eng
Number of pages: 156
Subjects: Human beings -- Origin
Notes: Translation of Ueber unsere gegenwärtige Kenntniss vom Ursprung des Menschen.

"Biographical sketches" (p. 80-114) includes bibliographies; "List of separate publications by Professor Haeckel": p. 110- 114.