6 CATALOGUE OF NEWTON PAPERS. 



9. Propositions relating to the Lunar Theory, including a 

 Scholium, differing from that inserted in the 2nd Edition. 



10. On the Theory of the Moon. 



(Various statements of the principal points of this Theory.) 



11. Propositions ' De motu nodorum Lunse,' prepared for the 

 3rd Edition of the Principia. 



12. Motion of the Moon's Apogee. This consists of two Lemmas, 

 prepared for press; two Propositions, in duplicate ; and an imperfect 

 copy of one of these propositions, with a rough draft of an investiga- 

 tion of the horary variation of the Inclination. 



The Propositions are not numbered, and therefore they were 

 perhaps intended to be worked up for the 1st Edition. 



13. Calculations for forming Lunar Tables. 



14. Various Lunar Tables. 



15. Comparisons of calculated places of the Moon with Obser- 

 vations. 



X. PAPERS CONNECTED WITH THE PRINCIPIA. 

 C. Mathematical Problems. 



1. To find the True Anomaly from the Mean. 



2. Fragment on the Solid of least resistance. 



3. Atmospheric Refraction, with detailed calculation of the 

 Refraction at the altitudes 0, 3, 12 and 30. 



4. Altitudes by the Barometer. 



XI. PAPERS RELATING TO THE DISPUTE RESPECTING THE INVENTION 

 OF FLUXIONS. 



1. Apographum Schediasmatis a Newtono olim scripti, 13 Nov. 

 1665. 



2. Printed Title-page of the 1st Edition of the Commercium 

 Epistolicum, with proposed additions to the Title of the 2nd Edition. 



3. Notes on the Correspondence in Wallis's Works, Vol. 3. 



4. Notae ad Acta Eruditorum. 



5. Rough drafts of the Leibnitz Scholium in the 2nd Edition of 

 the Principia, and proposed additions to it. 



