96 SUNDOGS AND HALOS SEEN AT NJOEO 
During the phenomena there has been a haze in the upper 
strata of air which does not appear to be suspended moisture. 
There appear to be three strata of air. The surface S.I.E., 
an upper one E. or W., and a higher one S.E. or N.W. 
Sundogs, November 5, 1909; Njoro, 9.45 a.m. 
5 
Fig. 5.— New large white ellipse developed about this time, with sun on peri- 
phery and intersecting original circle and ellipse. New ellipse extends well 
above meridian. Lowest points of N. and S. rainbows no longer touch 
horizon. Moon in last quarter. 
Clouds. — E. cumulo-stratus ; W. cumulus ; zenith, very 
small cirro-cumulus. 
10.45 a.m. — White upper ellipse of Fig. 5 still traceable, but 
very faint. 
10.45 a.m. — Large ellipse of Fig. 6 has developed purple 
end of spectrum. 
10.55 a.m. — Upper ellipse of Fig. 5 disappeared. Inner 
circle and concentric ellipse no longer separate. 
