Chase.l ^^^ [Nov. 5, 



31. Meteor seen at Haverford College. Oct. 4, 1867, P. x, 353. 



32. Meteors of Nov. 13, 14, 1867. Nov. 15, 1867, P. x, 357. 



33. Specific Magnetism of iron; cosmical and molecular comparisons. 



Nov, 15, 1867, P. X, 358. 



34. General connotations of magnetism ; accordance between barometric 



and astronomical estimates of Sun's distance, Feb. 21, 1868, P. x, 

 368-79. 



35. Evidences of Lunar influence on rainfall. June 19, 1868, P. x, 436-9. 



36. Tidal Rainfall of Philadelphia ; similarity of influence in different inde- 



pendent periods. Dec. 4, 1868, P. x, 523-37. 



37. Meteors of Nov. 13, 14, 1868. Dec. 4, 1868, P. x, 539. 



38. Philadelphia Life Tables. Feb. 5, 1869, P. xi, 17-22. 



39. Cosmical relations of light to gravity ; influence of the moduUis of light, 



velocity, mass, distance, centres of gyration, orbital eccentricity, in- 

 ertia, and ratio of circumference to diameter on cosmical and molecu- 

 lar phenomena (Alexander, 1877); solar centripetal reaction against 

 the action of gravity towards the centre of the solar system gives the 



velocity of light in the fundamental equation v =^ ^ . April 2, 1869, 



di 



P. xi, 103-7. 



40. Comparison of rainfall at Greenwich and Philadelphia ; cosmical 



and local influences upon meteorology. May 7, 1869, P. xi, 113. 



41. Tidal Rainfall ; comparison of lunar influences at Providence, Chis- 



wick and Toronto. Oct. 1, 1869, P. xi, 203. 



42. Comparison of mechanical Equivalents. Jan. 7, 1870, P. xi, 313. 



43. Monthly variations of rainfall at Philadelphia. Feb. 4, 1870, P. xi, 



314-5. 



44. European and American rainfall ; comparison of quarterly rains at 



Philadelphia and Lisbon. March 3, 1871, P. xii, 38-9. 



45. American Weather Notes ; local influences ; importance of gradients ; 



frequency of anticyclonic storms ; local cyclones in general anticy- 

 clones (Signal Service). March 3, 1871. P. xii, 40. 



46. Winds of the United States ; General anticyclonism ; storm centres at 



normal intersections of prevailing currents. March 17, 1871, P. xii, 

 65-7. 



47. Resemblance of atmospheric, magnetic and oceanic currents ; primary 



coordinate great circles ; uniform evidences of gravitating influence. 

 April 7, 1871, P. xii, 68-70. 



48. Relation of Auroras to gravitating currents. May 5, 1871, P. xii, 121-2. 



49. Winds of Europe. June 16, 1871, P. xii, 123. 



50. Normal position of the tidal ellipsoid. June 16, 1871, P. xii, 123-4. 



51. Cyclical Rainfalls at Lisbon ; solar and lunar influences compared at 



difli"erent independent periods ; blending tidal currents of different 

 temperatures and different degrees of humidity. Aug. 18, 1871, 

 P. xii, 178-90. 

 "^52. Correlations of cosmical and molecular force; harmonic estimates of 

 solar mass and distance from the explosive energy of oxj'gen and hy- 



