KEY AND INDEX 



with the "Magdeburg hemispheres," see Vol. ii, 

 211. 



Guy of Chaulic, ii, 38. Born about 1300. Fa- 

 mous French surgeon. Introduced the treat- 

 ment for broken limbs by suspension in a cradle, 

 and the method of making "traction" to prevent 

 deformity by shortening of the member a 

 method still in use. He was one of the first 

 physicians to advocate the use of glasses in cer- 

 tain eye disorders. 



Haeckel, Ernst Heinrich, v, 144. Born at 

 Potsdam, Prussia, Feb. 16, 1834. Distinguished 

 German naturalist. One of the leading advo- 

 cates of the biological theory of evolution. For 

 a time he practiced medicine in Berlin, but in 

 1861 he left the field of medicine to become a 

 privat-docent in Jena. In 1865 he was appointed 

 to a chair of zoology which was specially estab- 

 lished for him. He has written many mono- 

 graphs of systematic and descriptive nature, 

 these works alone "constituting a good life's 

 work." In addition he has written several other 

 works, some of them of a popular nature. In 

 1866 he published his "General Morphology," 

 and about two years later he rewrote the same 

 work in a more popular style, published as the 

 "Natural History of Creation." In his book 

 "Die Welt-rathsel," published in English as 

 "The Riddle of the Universe," he applies the 

 doctrine of evolution to the problems of philoso- 

 phy and religion carried to its logical conclusion. 



Hahnemann, Christian Samuel Friedrich von, 

 iv, 189. Born at Meissen, Saxony, April 10, 

 1755; died at Paris, July 2, 1843. German physi- 

 cian, founder of homeopathy. His new system 



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