PRINCIPIA 27 



Gregory, Jas. Craufurd. Notice concerning an autograph MS. by 

 Sir I. Newton, containing some notes upon the Third Book of 

 the Principia, found among the papers of Dr. David Gregory. 

 (Transactions of Royal Society of Edinburgh, 2 March, 1829). 

 Edinburgh, 1831. 4to. [90 



Groning, J. Historia Cycloeidis . . . Accedunt C. Hugenij annotata 

 posthuma in I. Newtoni Philosophiae Naturalis Principia Mathe- 

 matica. [1701.] 8vo. [91 



Gronau, J. F. W. Ueber die Bewegung schwingender Korper im 

 widerstehenden Mittel, mit Rucksicht auf die Newton'sche Pen- 

 delversuche. Danzig, 1850. 8vo. [92 



Halley, Edmund. Review of the Principia, in the Philosophical 

 Transactions of the Royal Society of London (No. 168). Vol. 

 XVI. p. 291. 1687. [93 



Hartsoeker, Nich. Recueil de plusieurs Pieces de Physique, ou Ton 

 fait principalement voir rinvalidite" du Systeme de M. Newton. 

 Utrecht, 1722. I2mo. [94 



[Hastie, C. N.] The Newtonian and Herschelian versus the Harring- 

 tonian theory of the Universe . . . By Sol Obscuratus. Ryde, 

 1866. 8vo. [95 



Heine, E. Das Newton'sche Gesetz. Halle, 1864. i6mo. [96 



Henrici, J. Die Erforschung der Schwere durch Galilei, Huygens, 

 Newton als rationellen Kinematik u. Dynamik historisch-didak- 

 tisch dargestellt Heidelberg, 1885. 8vo. [97 



Hermann, . (Pastor zu Berendshagen). Kritik Newton'scher Astro- 

 nomic. Rostock, 1870. I2mo. [98 



Home, Geo. (Bishop of Norwich). A fair, candid, and impartial 

 state of the case between Sir I. Newton and Mr. Hutchinson. 

 In which it is shown how far a system of Physics is capable of 

 mathematical demonstration, &c. Oxford, 1753. 2nd edit, 1799. 

 8vo. [99 



