678 



INDEX. 



solid geometry deficient, 584 ; regular solids known 

 in Plato's time, 584 ; harmonics, 588 ; impossibility 

 of perfect scale in music, 589 



Whewell, Dr, on Plato's Notion of Dialectic, 590; 

 definition, t'6. ; division of a subject in the Sophistes, 

 592 ; dialectic in Phcedrus compared with Republic, 

 Bk. vii. 595 



on the Intellectual Powers according to Plato, 



598; relation of image to reality, 599; of know- 

 ledge to opinion, ib. ; conceptions and intuitions, ib. ; 

 distinctions of knowledge, 600; Coleridge compared 

 with Plato, 602 ; diagram of intellectual powers, 604 



Whewell, Dr, of the Transformation of Hypotheses in 

 the History of Science, [139] — [146] ; Cartesian 

 hypothesis of vortices had a twofold object, [140] ; 

 its application to explain gravitation, [i&.] ; objec- 

 tions of James Bernoulli and Huyghens, [141] ; re- 

 sult of experiments on vortices, [142] ; John Ber- 

 noulli's treatment of the hypothesis of vortices, [t'6.]; 

 Cartesian incorporation of Newtonian forces, [143]; 

 application of Cartesian vortices to the magnet, 

 [144] ; illustration of transformation of hypotheses 

 from the theories of light, [145] 



White Nose cliff, section, 556 



CAMBRIDGE : 

 PRINTED AT THE UNIVERSITY PRESS. 



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