A HISTORY OF SCIENCE 



DEMOCRITUS. See vol. i., p. 161. 



Fragments only of the numerous works ascribed to 

 Democritus have been preserved. Democriti Abderitce 

 operum fragmenta, Berlin, 1843, edited by F. G. A. 

 Mullach. 

 DIODORUS SICULUS. See vol. i., p. 77. 



The Historical Library. Perhaps the best available 

 editions of Diodorus are Wesseling's, 2 vols. ; Amstel, 

 1745; and Dindorf's, 5 vols., Leipzig, 1828-1831. Eng- 

 lish trans, by Booth, London, 1700. 

 DIOGENES LAERTIUS. See vol. i., p. 121. 



The Lives and Opinions of Eminent Philosophers (trans, 

 by C. D. Yonge), London, 1853. 



ERATOSTHENES. See vol. i., p. 225. 



The fragments of his philosophical works were pub- 

 lished at Berlin, 1822, under the title Eratosthenica. 

 His poetical works were published at Leipzig, 1872. 

 EUCLID. See vol. i., p. 193. 



His Elements of Geometry is still available as an English 

 school text-book. 



GALEN (Claudius Galenus). See vol. i., p. 272. 



Galen's preserved works are exceedingly bulky. The 

 best-known edition is that of C. G. Ktihn, in 21 vol- 

 umes. 



HERO. See vol. i., p. 242. 



The Pneumatics of Hero of Alexandria, from the original 

 Greek. Trans, by B. Woodcroft, London, 1851. 

 HERODOTUS. See vol. i., p. 103. 



History. English trans, by Beloe, 1791 and 1806. 

 Trans, by Canon Rawlinson, London, 1858-1860. 

 HIPPARCHUS. See vol. i., p. 233. 



The only work of Hipparchus which has survived was 

 published first by Vittorius at Florence, 1567. 

 HIPPOCRATES. See vol. i., p. 170. 



Numerous editions have been published of the Hippo- 

 cratic writings, including many works not written by the 

 master himself. One of the best editions is that of Littre, 

 Paris, 1839, etc. 



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