Natural Philosophy. 



3. The Earth as the Cause of the Moon's Motion. 

 Published in the Buenos Ayres Herald on January 1, 1882. 



4. Vis-IuertiiB and Geology. 



Published in the Buenos Ayres Standard, June 26, 1880, and in the Buenos 

 Ayres Herald, October 15, 1881. 



5. The Gravitation Theory of Heat. 



Published in the Buenos Ayres Standard on August 17, 1880. 



6. Replies to the ' Popular Science Review' on Vis-Inerti£e. 



Published in the Buenos Ayres Standard on September 29 and October 2, 1878. 



7. Replies to an Anonymous Critic on the Old and New Theories of 



Vis-Inertije. 



Published in the Buenos Ayres Standard on January 8, 14, and 24, 187'J. 



Chapter XXII. — Further Astronomical Indications of the Action of tlie New 

 Theory— 



1. Comets. 



Published in the Buenos Ayres Herald on February 12, 1880. 



2. * The Sun's Long Streamers.' 

 Published in Buenos Ayres, January 27, 1879. 



3. Stellar Movements. 

 Published in Buenos Ayres, June 1880. 



4. The Circulation of the Surface of Jupiter. 

 Published in the Buenos Ayres Standard on June 29, 1879. 



5. The New Planet. 



Published in the Buenos Ayres Standard on December 18, 1879. 



6. The Zodiacal Light. 



Published in Buenos Ayres, February 1881. 



7. Letter to the President of the Royal Society. 



Chapter XXIII. — Remarks on the Admiralty Current Charts. 

 Pubhshed in Buenos Ayres, March 18, 1879. 



Chapter XXIV. — Dr. Carpenter on Oceanic Circulation. 

 Published in Buenos Ayres, 1871. 



The ' Moon's Rotation ' and the ' Flat Earth.' 



Chapter XXV.- -Former Theories of the Winds. 



The greater part extracled from the 'Treatise on the Action of Vis-Inertia?, 

 published in 1868. 



