OPTICS 43 



Gautier d'Agoty, Jacques. Chroa-gne*sie ou generation des couleurs 

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xpoayeveais de optice errores Isaaci Newtonis demon- 

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Nouveau systeme de 1'univers, sous le titre de Chroa-ge'ne'sie ou 



critique des pretendues decouvertes de Newton. [With a Sup- 

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Goethe. Farbenlehre; Optik, etc. [criticised by Helmholtz in his 

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Gonnella, Tito. Opuscoli Matematici (i) di alcuni perfezionamenti 

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Graevell, F. Charakteristik der Newton'schen Farbentheorie. 1858. 

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Goethe im Recht gegen Newton. 1857. 8vo. [213 



Ueber Licht und Farben mit . . . Beziehung auf die Farbenlehren 



Newton's und Goethe's, etc. 1859. 8vo. [214 



Gregory, Dr. James. Elements of Catoptrics and Dioptrics, trans- 

 lated by Wm. Browne. The Second Edition, to which is added, 

 An Appendix by J. T. Desaguliers, containing an Account of the 

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 Imitators of them, till they were brought to perfection by John 

 Hadley. With original Letters which passed between Newton 

 and Gregory relating thereto, now first published. 1735. 8vo. 



[215 



The first edition did not contain the Letters between Gregory and Newton. 



Griffith, G. On the Formation of a Pure Spectrum by Newton. 

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