SECTION I. 



MATHEMATICS. 



I. EARLY PAPERS BY NEWTON. (Holograph.) 



1. Extracts by Newton 



From Hooke's Micrographia, 

 From the History of the Royal Society, 

 From the Philosophical Transactions. 

 Notes of some Mines in Derbyshire and Cardiganshire. 



2. Scraps and Extracts made by Newton, including two little 

 notes on tangents arid musical semi-tones. 



3. A tract in English written in 1666, entitled "To resolve pro- 

 blems by Motion." 



Also short tracts entitled 



De Solutione Problematum per Motuin. 

 De Gravitate Conicarum. 

 Problems of Curves. 



4. Calculation of the Area of the Hyperbola. 



5. On the Laws of Motion. 

 On the Laws of Reflection. 

 On Motion in a Cycloid. 



6. Problems in Geometrical Optics. 



N. 



