o 



/ 



. . 41 



22 



. . 39 



20 



. . 36 



36 



. . 34 



44 



. . 32 



20 



Theory of Fog-Bows. 455 



light blue, red.] " No measurements were got. The pink 

 was a badly-defined space, not a true band. A coloured 

 glory was seen at the same time. 



(3) " November 12. Temp. 27°«9. Double fog-bow seen 

 at 13 h.; outer bow white, inner bow red and blue, red being 

 inside. 



(4) " November 16. Temp. 22°*0. Fog-bow seen at 11 h.; 

 red outside and white inside. A fainter bow was seen inside 

 this one at times. 



(5) " December 16. Temp. 15 0, 7. Glory and fog-bow 

 seen at 15 h., too fleeting to measure. The glory was double 

 with reds outside ; the fog-bow a broad whitish band, with 

 occasionally another bow inside it more sharply defined and 

 coloured, but the order of its colours was not observed. 



(6) " December 26. Temp. 18°. At 12 h. 30 m. misty 

 glory and double fog-bow seen ; outer bow had red outside 

 and inner bow red inside. No measurements got. 



(7) "December 30. Temp. 24°'2. Double fog-bow seen 

 at 11 h. Red outside outer bow and inside inner bow. The 

 following rough measurements were got 



Radius of outside of outer bow 

 „ middle „ 



„ inside „ 



„ outside of inner bow 

 „ inside „ 



The first and last measurements give the radii of the outer and 

 inner red respectively. 



(8) "January 2, 1887. Temp. 20°*3. Lunar fog-bow 

 seen at 18° h. Radius about 38° 40'. 



(9) " February 6. Temp. 22°'5. Lunar fog-bow seen at 



O / 



2 h. Inside radius . . . 33 56 



Outside „ ... 40 20 



(10) " February 13. Temp. 28°'l. Double fog-bow seen 

 at 12 h. Trace of red outside outer and inside inner bow. 

 No measurements got. 



(11) " April 5. Temp. 16°'3. Fog-bow (faint) seen at 

 3h." [Lunar.] 



(12) "June 29. Temp. 42°'0. Fog-bow, occasionally 

 double, observed at 5 h. and 6 h. 



. (13) "July 21. Temp. 46°'5. A double fog-bow seen at 

 times. Red inside inner bow and outside outer bow ; the 

 rest of the bows were white. 



(14) "August 19. Temp.37°-8. Fog-bow seen at 9 h. 45 m. 



(15) "September 18. Temp. 45°*0. Fog-bow observed 

 ■at 13 h. 30 m., measuring 35° 16 7 (to inside of bow ?). 



2N2 



