SUNSPOTS AND VOLCANIC AND SEISMIC PHENOMENA. 79 



the earth's atmosphere and in the corona of the sua. The 

 matter of these papers is of such extreme interest in con- 

 nection with the subject discussed in this paper that an 

 apology for inserting them in the " Index to Literature is 

 unnecessary. 



VI. Index to Literature, — Astronomical and Meteoro- 

 logical. 



A. Astronomical Journal 



1. No. 530, "Sunspot Observations, July 12th to Dec. 22, 



1902," by A. W. Quimby (published Jan. 31st 1903). 



2. Nos. 542 and 543 (July 21st, 1903) "Sunspot Observa- 



tions Jan. 1st to June 30th, 1903," by A. W. Quimby. 



3. Nos. 540 and 541 (June 18th, 1903), "Sunspot Observa- 



tions Oct. 6th, 1902 to May 1st, 1903," by Jones and 

 Tucker. 



B. British Association for the Advancement of Science, 



Report for 1902 



" Presidential Address," by Professor Dewar. 



C. Monthly Notices, Royal Astronomical Society 



1. " Mean Daily Areas of Sunspots for each degree of Solar 



Latitude for each year from 1874 to 1902." M.N., R. 

 A.S., June 1903. 



2. "Areas of Faculse and Sunspots compared with Diurnal 



Ranges of Magnetic Declination, etc., in the years 1873 

 to 1902." M.N., R.A.S., Vol. lxiii., No. 8, June 1903. 



3. "Mean Areas and Heliographic Latitudes of Sunspots, 



1902, etc." M.N., R.A.S., June 1903. 



4. " On a Possible Relation between Solar Prominences and 



Corona" by William J. S. Lockyer, m.a. M.N., RA.S. 

 Vol. lxiii., No. 8, June 1903. 



5. "Council's Note on Solar Activity in 1902." M.N., R. 



A.S., Feb. 1903, pp. 249-251, 



6. M.N.. R.A.S., Vol. l., p. 8. 



7. M.N., R.A.S., Dec. 13th, 1901. 



D. Nature 



1. Vol. lxii., No. 1616, Oct. 18th, 1900. "Sunspots and 



Cold Winters," by Alex. B. McDowall. 



2. Vol. lxiii., No. 1622, pp. 107 and 128. "On Solar 



Changes of Temperature and Variations in Rainfall in 

 the Region Surrounding the Indian Ocean." (Lockyer.) 



