THE CONQUEST OF NATURE 



of the Alexandrian physicians, Herophilus and Erasistratus ; and 

 pp. 282, 283, outline the studies of the famous physician, Galen. 



Vol. II., "From Paracelsus to Harvey," in particular, p. 163 

 seq; and chapters IV. (p. 173 seq.) and V. (p. 202 seq.) dealing with 

 the progress of anatomy and physiology in the eighteenth and 

 nineteenth centuries respectively. The chapter on "Experimental 

 Psychology" (p. 245 seq.) may also be consulted. 



Vol. V., chapter V., dealing with the Marine Biological Labora- 

 tory at Naples (p. 113 seq.) and chapter VI., "Ernst Haeckel 

 and the New Zoology" (p. 144 seq.) present other aspects of 

 physiological problems. 



CHAPTER IV 



THE WORK OF AIR AND WATER 



On page 63 reference is made to the work of the old Greeks, 

 Archimedes and Ctesibius. An account of Archimedes' discov- 

 ery of the laws of buoyancy of solids and liquids will be found 

 in vol. I., p. 208. 



(p. 64). The machines of Ctesibius and Hero. See vol. I., p. 

 242 seq., for a full account of these mechanisms. 



(p. 65). Toricelli, the pupil of Galileo, and his discovery of 

 atmospheric pressure. For a fuller account of his discovery and 

 what came of it see vol. II., p. 120 seq. 



(p. 66). Boyle's experiments on atmospheric pressure. See 

 vol. II., p. 204 seq. 



(p. 66). Mariotte and Von Guericke. See vol. II., p. 210 seq. 



(p. 71). Roman mills. A scholarly discussion of the subject 

 of Roman mills, based on a comprehensive study of the references 

 in classical literature, is given in Beckmann's History oj Inven- 

 tions, London, 1846. 



(p. 73). Recent advances in water wheels. As stated in the 

 text, the quotation is from an article on Motive Power Appliances, 

 by Mr. Edward H. Sanborn, in the Twelfth Census Report of the 

 United States. 



CHAPTER V 



CAPTIVE MOLECULES; THE STORY OF THE STEAM-ENGINE 



(p. 82). The experiments of Hero of Alexandria. For a 

 full account of the experiments see vol. I., pp. 249, 250. 



[322] 



