398 '. COSMICAL METEOROLOGY 
5. Moors, J. H., ‘‘Spectroscopic Observations on the Rota- 
tion of Saturn.” Publ. astr. Soc. Pacif., 51: 274 (1939). 
_ 6. Panorsky, H. A., and Huss, S. L., ‘Zonal Index and the 
Motion of the Great Red Spot on Jupiter.”’ Bull. Amer. 
meteor. Soc., 29: 426-428 (1948). 
7. Perk, B. M., ‘‘The Physical State of Jupiter’s Atmos- 
phere.”’ Mon. Not. R. astr. Soc., 97: 574-582 (1937). 
8. Russet, H. N., The Solar System and Its Origin. New 
York, Macmillan, 1935. 
9. —— Duean, R. S., and Stewart, J. Q., Astronomy; A 
Revision of Young’s Manual of Astronomy, The Solar 
System, Vol. 1, 2nd rev. ed. Boston, Ginn, 1945. 
10. Witpt, R., ‘Uber den inneren Aufbau der grossen Pla- 
neten.” Veréff. UnivSternw. Gottingen, Bd. 3, Nr. 40, 
S. 225 (1934). 
11. WixitaMs, A.S., ‘On the Periodic Variation in the Colours 
of the Two Equatorial Belts of Jupiter.”’ Mon. Not. R. 
astr. Soc., 97: 105-108 (1936-1937). 
