264 



PROCEEDINGS OF THE AMERICAN ACADEMY 



TABLE VII. — Continued. 

 a Lyil£. 



The record of No. 47, Plate .'">7, gives a reading of 8.801 ; but this is 

 evidently wrong, since it is less than No. 4G. It should 2)cihaps have 

 been 9.101, which gives a residual -j-l. 



