130 



ployed in the two Memoirs, although there is also a sufHcient resem- 

 blance to induce me to wish, that at the time of publishing my Paper, 

 I had been acquainted with the earlier remarks of M. Cauchy, in 

 order to have noticed their existence. 



OflSERVATOUy, 



April 16, 1831, 



