270 REPORT— 1872. 



Arrangement in order of Intervals. 



h h 



24 to 36, 1869, Dee. 12. Seen with difficulty, N.W. part of floor brightest. 



1870, Feb. 9. Seen as a sharp, narrow, bright streak from the tip 

 of the most northern shadow to the N.E. border, 

 nearly parallel with a line through spots Nos. 1 

 and 4. 

 „ May 9. Could not be traced; the northern part of the floor 

 equally bright as seen by Messrs. Elger and Gled- 

 hill. "Moon's latitude at midnight 4° 21'-9 N. 

 30 ,, 48, 1870, Jan. 11. Well seen, its brightness blending with the bright 



N.W. floor. 



„ April 10. Continued in " o ; " ill-defined, especially at the N.W. 



Not seen by Mr. Gledhill as a distinct shai-p streak. 



See Mr. Elger's drawing of this date, fig. 12, p. 275. 



48 „ eO, 1869, Dec. 13. Difficult to separate from the bright N. and N.W. part 



of floor. 

 1870, May 10. Seen bv Mr. Gledhill. 

 CO „ 72, 18C9, Nov. 14. Seen by Mr. Gledhill east of spot No. 10 ; « o " absent. 



1870, Jan., 12. Continued in " o." 



„ July 8. Seen as a bright object by Mr. Gledhill. 

 72 „ 84, 1809, Dec. 14. Continued in " o," the two forming the brightest and 



best-defined streak on the floor. 

 „ Feb. 11. Well seen by Mr. Gledhill. 

 „ April 11. " " very hazy and ill-defined. 

 „ June 9. The streak a (query its continuation "o"') had the 



same nebulosity which it exhibited on May 10. 



1871, IMar. 2. Very distinct, extending from spot No. 19 to Nos. 20 



and 21 ; " o " absent. 



84 „ 96 No observation. 



9J „ 108, 18C9, Dec. 15. Continued in " o," fairly bright. 

 1870, Feb. 12. "S'ery broad and bright. 



„ June 10. The east portion a bright and well defined, the west 

 portion " o " hazy ; it appeared to partake of the 

 general haziness of the N.W. quarter of the floor, 

 (See note in chronological arrangement.) 

 ,, Oct. C. CJuite detached from the border, and figured as narrow 

 by Mr. Elger ; " o " absent. 

 The fourth streak in order of brightness as observed 

 by Mr. Pratt, the sector k and /3 being brighter. 

 108 „ 120, 18C9, Oct. 17. Well seen by Mr. Gledhill ; it covers spots Nos. 13, 19, 



and 10 ; alignment, if produced, would cut N. border 

 of B. & M.'s A. 

 Continued in " o." 



East of spot No. 16 very bright and well defined as 

 seen by Mr. Elger ; the projection c, although plainly 

 seen, could not be traced so far to the south as be- 

 fore, nor was it so sharply defined as before; indeed 

 all the west portion of the N.W. area was hazy, as 

 in April and June. 



120 „ 132 No observation. 



132 „ 144, 1870, Jan. 15. Continued in " o," and extending from Webb's elbow; 



quite separated from the border. 

 „ April 14. Extending from Webb's elbow, and quite separated 

 from the border, the streak e projecting towards the 

 south. (See note in chronological an-angement.) 

 „ May 13. Bright and well defined; very bright at the locality 

 ot spot No. 19. 

 144 „ 150, 1809, Dec. 17. Very bright, extending from Webb's elbow, which is 



continued in c. 



