Hoefer. Histoire de la Zoologie, 1873. Not very good.
Encyclopædia Britannica. Among the more excellent articles are: Biology by Huxley; Protoplasm by Geddes; History of Anatomy by Turner.
Chambers's Encyclopædia. New Edition. Discerning articles by Thomson on the Cell-theory, by Geddes on Biology, Evolution.
Nouvelle Biographie Générale. Good articles on the older writers. Often unreliable as to dates.
Haeckel. The historical chapters in The Evolution of Man, 1892, and Anthropogenie, fifth edition, 1903. Good.
Haeckel. The History of Creation, vol. I, 1884.
Hertwig. The General Survey of the History of Zoölogy in his Manual of Zoölogy, 1902. Brief but excellent.
Parker and Haswell. Text-book of Zoölogy, 1897. Historical chapter in vol. II.
Nicholson. Natural History, its Rise and Progress in Britain, 1886. Also Biology.
Pettigrew. Gallery of Medical Portraits, 5 vols. Contains many portraits and biographical sketches of men of general influence, as Bichat, Galen, Malpighi, etc.