VARIATIONS- OF APPEARANCE. 



which corresponds to an increase of volume in the ratio of 1 to 3, 

 supposing the form to remain unchanged ; but it was estimated 



Fig. 24. January 30, 1836. 



that the extension in length gave a superficial increase in the 

 ratio of 35 to 1, which would correspond to a much greater 

 augmentation of volume. 



107. On the 1st of February a further increase of magnitude- 

 took place, the figure remaining the same (fig. 25). 



Fig. 25. February 1, 1836. 



108. On the 7th of February the comet was rendered faint by 

 the effect of moonlight (fig. 26). 



109. On the 10th a further increase of volume took place, a star 

 being visible through the body (fig. 27). 



207 



